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131312331230130 = 235554037996391
BaseRepresentation
bin11101110110110110001000…
…110110111000101110110010
3122012221100002010202010200000
4131312312020312320232302
5114202410123243331010
61143140015134410430
736442000660130331
oct3566661066705662
9565840063663600
10131312331230130
11389272797460a6
1212889262060a16
135836913327aab
14245d79d347d18
15102ab05d6b7c0
hex776d88db8bb2

131312331230130 has 48 divisors (see below), whose sum is σ = 354056952360384. Its totient is φ = 35016621660720.

The previous prime is 131312331230117. The next prime is 131312331230153. The reversal of 131312331230130 is 31032133213131.

131312331230130 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 12 + 3 + 312 + 301 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131312331230094 and 131312331230103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27018995766 + ... + 27019000625.

It is an arithmetic number, because the mean of its divisors is an integer number (7376186507508).

Almost surely, 2131312331230130 is an apocalyptic number.

131312331230130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131312331230130 is an abundant number, since it is smaller than the sum of its proper divisors (222744621130254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131312331230130 is an equidigital number, since it uses as much as digits as its factorization.

131312331230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54037996413 (or 54037996401 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 131312331230130 its reverse (31032133213131), we get a palindrome (162344464443261).

The spelling of 131312331230130 in words is "one hundred thirty-one trillion, three hundred twelve billion, three hundred thirty-one million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 54037996391 108075992782 162113989173 270189981955 324227978346 486341967519 540379963910 810569945865 972683935038 1459025902557 1621139891730 2431709837595 2918051805114 4377077707671 4863419675190 7295129512785 8754155415342 13131233123013 14590259025570 21885388538355 26262466246026 43770777076710 65656165615065 131312331230130