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131311131323230 = 2567195986763169
BaseRepresentation
bin11101110110110101000001…
…010101100110101101011110
3122012221012222111220112211201
4131312311001111212231132
5114202400144104320410
61143135300112310114
736441626150110435
oct3566650125465536
9565835874815751
10131311131323230
11389268133a3301
1212888b8824233a
135836781866b01
14245d6c7c4011c
15102aa8584d83a
hex776d41566b5e

131311131323230 has 16 divisors (see below), whose sum is σ = 239887798120080. Its totient is φ = 51740505476352.

The previous prime is 131311131323219. The next prime is 131311131323257. The reversal of 131311131323230 is 32323131113131.

It is a happy number.

It is a super-2 number, since 2×1313111313232302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97993380915 + ... + 97993382254.

It is an arithmetic number, because the mean of its divisors is an integer number (14992987382505).

Almost surely, 2131311131323230 is an apocalyptic number.

131311131323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131311131323230 is a deficient number, since it is larger than the sum of its proper divisors (108576666796850).

131311131323230 is a wasteful number, since it uses less digits than its factorization.

131311131323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195986763243.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 131311131323230 its reverse (32323131113131), we get a palindrome (163634262436361).

The spelling of 131311131323230 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 195986763169 391973526338 979933815845 1959867631690 13131113132323 26262226264646 65655565661615 131311131323230