97120331 has 16 divisors (see below), whose sum is σ = 121901568. Its totient is φ = 75168000.

The previous prime is 97120321. The next prime is 97120339. The reversal of 97120331 is 13302179.

It is a cyclic number.

It is not a de Polignac number, because 97120331 - 2¹⁰ = 97119307 is a prime.

It is a super-2 number, since 2×97120331² = 18864717387099122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97120331.

It is not an unprimeable number, because it can be changed into a prime (97120339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7451 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (7618848).

Almost surely, 2^97120331 is an apocalyptic number.

97120331 is a deficient number, since it is larger than the sum of its proper divisors (24781237).

97120331 is a wasteful number, since it uses less digits than its factorization.

97120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8522.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 97120331 is about 9854.9647893841. The cubic root of 97120331 is about 459.6600055395.

The spelling of 97120331 in words is "ninety-seven million, one hundred twenty thousand, three hundred thirty-one".