97137188879031 has 48 divisors (see below), whose sum is σ = 165984082960384. Its totient is φ = 53581526453952.

The previous prime is 97137188879021. The next prime is 97137188879039. The reversal of 97137188879031 is 13097888173179.

97137188879031 is a `hidden beast` number, since 9 + 71 + 371 + 88 + 87 + 9 + 0 + 31 = 666.

It is not a de Polignac number, because 97137188879031 - 2⁶ = 97137188878967 is a prime.

It is a super-2 number, since 2×97137188879031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97137188879039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163766545 + ... + 164358618.

Almost surely, 2^{97137188879031} is an apocalyptic number.

97137188879031 is a deficient number, since it is larger than the sum of its proper divisors (68846894081353).

97137188879031 is a wasteful number, since it uses less digits than its factorization.

97137188879031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328125340 (or 328125337 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 72.

The spelling of 97137188879031 in words is "ninety-seven trillion, one hundred thirty-seven billion, one hundred eighty-eight million, eight hundred seventy-nine thousand, thirty-one".