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131331531354324 = 22371563470611361
BaseRepresentation
bin11101110111001000000001…
…010001100011000011010100
3122020000011122020011111120220
4131313020001101203003110
5114203213434011314244
61143152512251554340
736443250530365650
oct3567100121430324
9566004566144526
10131331531354324
1138934431709634
1212890b2015b9b0
135838683094222
1424606a12d7a60
15102b37b787319
hex7772014630d4

131331531354324 has 24 divisors (see below), whose sum is σ = 350217416945088. Its totient is φ = 37523294672640.

The previous prime is 131331531354311. The next prime is 131331531354341. The reversal of 131331531354324 is 423453135133131.

It is a super-2 number, since 2×1313315313543242 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 781735305597 + ... + 781735305764.

It is an arithmetic number, because the mean of its divisors is an integer number (14592392372712).

Almost surely, 2131331531354324 is an apocalyptic number.

131331531354324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131331531354324 is an abundant number, since it is smaller than the sum of its proper divisors (218885885590764).

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

131331531354324 is a wasteful number, since it uses less digits than its factorization.

131331531354324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563470611375 (or 1563470611373 counting only the distinct ones).

The product of its digits is 583200, while the sum is 42.

Adding to 131331531354324 its reverse (423453135133131), we get a palindrome (554784666487455).

The spelling of 131331531354324 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, five hundred thirty-one million, three hundred fifty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1563470611361 3126941222722 4690411834083 6253882445444 9380823668166 10944294279527 18761647336332 21888588559054 32832882838581 43777177118108 65665765677162 131331531354324