31402102297 has 2 divisors, whose sum is σ = 31402102298. Its totient is φ = 31402102296.

The previous prime is 31402102289. The next prime is 31402102309. The reversal of 31402102297 is 79220120413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18520760281 + 12881342016 = 136091^2 + 113496^2 .

It is a cyclic number.

It is not a de Polignac number, because 31402102297 - 2³ = 31402102289 is a prime.

It is not a weakly prime, because it can be changed into another prime (31402102217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15701051148 + 15701051149.

It is an arithmetic number, because the mean of its divisors is an integer number (15701051149).

Almost surely, 2^31402102297 is an apocalyptic number.

It is an amenable number.

31402102297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31402102297 is an equidigital number, since it uses as much as digits as its factorization.

31402102297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 31402102297 in words is "thirty-one billion, four hundred two million, one hundred two thousand, two hundred ninety-seven".