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131010130 = 25191016827
BaseRepresentation
bin1111100111100…
…00111001010010
3100010112000010001
413303300321102
5232014311010
621000000214
73150365506
oct763607122
9303460101
10131010130
1167a51939
1237a6006a
13211b04b4
1413584306
15b77cc3a
hex7cf0e52

131010130 has 32 divisors (see below), whose sum is σ = 250724160. Its totient is φ = 49147200.

The previous prime is 131010091. The next prime is 131010133. The reversal of 131010130 is 31010131.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (131010133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15777 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (7835130).

Almost surely, 2131010130 is an apocalyptic number.

131010130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131010130 is a deficient number, since it is larger than the sum of its proper divisors (119714030).

131010130 is a wasteful number, since it uses less digits than its factorization.

131010130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 131010130 is about 11445.9656648096. The cubic root of 131010130 is about 507.8883985111. Note that the first 3 decimals are identical.

Adding to 131010130 its reverse (31010131), we get a palindrome (162020261).

Subtracting from 131010130 its reverse (31010131), we obtain a palindrome (99999999).

It can be divided in two parts, 1310101 and 30, that added together give a palindrome (1310131).

The spelling of 131010130 in words is "one hundred thirty-one million, ten thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 95 101 190 202 505 1010 1919 3838 6827 9595 13654 19190 34135 68270 129713 259426 648565 689527 1297130 1379054 3447635 6895270 13101013 26202026 65505065 131010130