31112230231297 has 2 divisors, whose sum is σ = 31112230231298. Its totient is φ = 31112230231296.

The previous prime is 31112230231289. The next prime is 31112230231339. The reversal of 31112230231297 is 79213203221113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28864497659761 + 2247732571536 = 5372569^2 + 1499244^2 .

It is a cyclic number.

It is not a de Polignac number, because 31112230231297 - 2³ = 31112230231289 is a prime.

It is not a weakly prime, because it can be changed into another prime (31112230231097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556115115648 + 15556115115649.

It is an arithmetic number, because the mean of its divisors is an integer number (15556115115649).

Almost surely, 2^{31112230231297} is an apocalyptic number.

It is an amenable number.

31112230231297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112230231297 is an equidigital number, since it uses as much as digits as its factorization.

31112230231297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 31112230231297 in words is "thirty-one trillion, one hundred twelve billion, two hundred thirty million, two hundred thirty-one thousand, two hundred ninety-seven".