131423253510321 has 6 divisors (see below), whose sum is σ = 189833588403810. Its totient is φ = 87615502340208.

The previous prime is 131423253510287. The next prime is 131423253510343. The reversal of 131423253510321 is 123015352324131.

131423253510321 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 325 + 3 + 5 + 1 + 0 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131389364750400 + 33888759921 = 11462520^2 + 184089^2 .

It is not a de Polignac number, because 131423253510321 - 2⁶ = 131423253510257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131423253550321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7301291861676 + ... + 7301291861693.

It is an arithmetic number, because the mean of its divisors is an integer number (31638931400635).

Almost surely, 2^{131423253510321} is an apocalyptic number.

It is an amenable number.

131423253510321 is a deficient number, since it is larger than the sum of its proper divisors (58410334893489).

131423253510321 is a wasteful number, since it uses less digits than its factorization.

131423253510321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602583723375 (or 14602583723372 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 131423253510321 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, two hundred fifty-three million, five hundred ten thousand, three hundred twenty-one".