312112097 has 16 divisors (see below), whose sum is σ = 344191680. Its totient is φ = 280670400.

The previous prime is 312112081. The next prime is 312112109. The reversal of 312112097 is 790211213.

It is a cyclic number.

It is not a de Polignac number, because 312112097 - 2⁴ = 312112081 is a prime.

It is a super-2 number, since 2×312112097² = 194827922187474818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312172097) 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, 576647 + ... + 577187.

It is an arithmetic number, because the mean of its divisors is an integer number (21511980).

Almost surely, 2^312112097 is an apocalyptic number.

It is an amenable number.

312112097 is a deficient number, since it is larger than the sum of its proper divisors (32079583).

312112097 is a wasteful number, since it uses less digits than its factorization.

312112097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 312112097 is about 17666.6945691604. The cubic root of 312112097 is about 678.3235063617.

The spelling of 312112097 in words is "three hundred twelve million, one hundred twelve thousand, ninety-seven".