31321223002097 has 32 divisors (see below), whose sum is σ = 39328106065920. Its totient is φ = 24321651900480.

The previous prime is 31321223002057. The next prime is 31321223002141. The reversal of 31321223002097 is 79020032212313.

It is a cyclic number.

It is not a de Polignac number, because 31321223002097 - 2⁸ = 31321223001841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31321223002057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10491647 + ... + 13142187.

It is an arithmetic number, because the mean of its divisors is an integer number (1229003314560).

Almost surely, 2^{31321223002097} is an apocalyptic number.

It is an amenable number.

31321223002097 is a deficient number, since it is larger than the sum of its proper divisors (8006883063823).

31321223002097 is a wasteful number, since it uses less digits than its factorization.

31321223002097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654453.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 31321223002097 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twenty-three million, two thousand, ninety-seven".