97261131 has 24 divisors (see below), whose sum is σ = 150936912. Its totient is φ = 55475200.

The previous prime is 97261121. The next prime is 97261139. The reversal of 97261131 is 13116279.

It is not a de Polignac number, because 97261131 - 2⁹ = 97260619 is a prime.

It is a super-2 number, since 2×97261131² = 18919455206798322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97261139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1710 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (6289038).

Almost surely, 2^97261131 is an apocalyptic number.

97261131 is a deficient number, since it is larger than the sum of its proper divisors (53675781).

97261131 is a wasteful number, since it uses less digits than its factorization.

97261131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15803 (or 15792 counting only the distinct ones).

The product of its digits is 2268, while the sum is 30.

The square root of 97261131 is about 9862.1058096129. The cubic root of 97261131 is about 459.8820286639.

The spelling of 97261131 in words is "ninety-seven million, two hundred sixty-one thousand, one hundred thirty-one".