97396587031 has 2 divisors, whose sum is σ = 97396587032. Its totient is φ = 97396587030.

The previous prime is 97396586977. The next prime is 97396587047. The reversal of 97396587031 is 13078569379.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97396587031 is a prime.

It is a super-2 number, since 2×97396587031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97396588031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48698293515 + 48698293516.

It is an arithmetic number, because the mean of its divisors is an integer number (48698293516).

Almost surely, 2^97396587031 is an apocalyptic number.

97396587031 is a deficient number, since it is larger than the sum of its proper divisors (1).

97396587031 is an equidigital number, since it uses as much as digits as its factorization.

97396587031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 97396587031 in words is "ninety-seven billion, three hundred ninety-six million, five hundred eighty-seven thousand, thirty-one".