31202330010013 has 2 divisors, whose sum is σ = 31202330010014. Its totient is φ = 31202330010012.

The previous prime is 31202330009941. The next prime is 31202330010023. The reversal of 31202330010013 is 31001003320213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29973730679929 + 1228599330084 = 5474827^2 + 1108422^2 .

It is a cyclic number.

It is not a de Polignac number, because 31202330010013 - 2³⁷ = 31064891056541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31202330010023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601165005006 + 15601165005007.

It is an arithmetic number, because the mean of its divisors is an integer number (15601165005007).

Almost surely, 2^{31202330010013} is an apocalyptic number.

It is an amenable number.

31202330010013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31202330010013 is an equidigital number, since it uses as much as digits as its factorization.

31202330010013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31202330010013 its reverse (31001003320213), we get a palindrome (62203333330226).

The spelling of 31202330010013 in words is "thirty-one trillion, two hundred two billion, three hundred thirty million, ten thousand, thirteen".