31023210012097 has 2 divisors, whose sum is σ = 31023210012098. Its totient is φ = 31023210012096.

The previous prime is 31023210012073. The next prime is 31023210012163. The reversal of 31023210012097 is 79021001232013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28013266075536 + 3009943936561 = 5292756^2 + 1734919^2 .

It is a cyclic number.

It is not a de Polignac number, because 31023210012097 - 2²⁷ = 31023075794369 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023210012397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511605006048 + 15511605006049.

It is an arithmetic number, because the mean of its divisors is an integer number (15511605006049).

Almost surely, 2^{31023210012097} is an apocalyptic number.

It is an amenable number.

31023210012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023210012097 is an equidigital number, since it uses as much as digits as its factorization.

31023210012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 31023210012097 in words is "thirty-one trillion, twenty-three billion, two hundred ten million, twelve thousand, ninety-seven".