31942294097 has 24 divisors (see below), whose sum is σ = 37873281096. Its totient is φ = 26856603648.

The previous prime is 31942294067. The next prime is 31942294133. The reversal of 31942294097 is 79049224913.

It can be written as a sum of positive squares in 4 ways, for example, as 570445456 + 31371848641 = 23884^2 + 177121^2 .

It is not a de Polignac number, because 31942294097 - 2²² = 31938099793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31942294067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507353 + ... + 566825.

It is an arithmetic number, because the mean of its divisors is an integer number (1578053379).

Almost surely, 2^31942294097 is an apocalyptic number.

It is an amenable number.

31942294097 is a deficient number, since it is larger than the sum of its proper divisors (5930986999).

31942294097 is a wasteful number, since it uses less digits than its factorization.

31942294097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59697 (or 59690 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 31942294097 in words is "thirty-one billion, nine hundred forty-two million, two hundred ninety-four thousand, ninety-seven".