31535501253413 has 2 divisors, whose sum is σ = 31535501253414. Its totient is φ = 31535501253412.

The previous prime is 31535501253407. The next prime is 31535501253457. The reversal of 31535501253413 is 31435210553513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23548134380164 + 7987366873249 = 4852642^2 + 2826193^2 .

It is a cyclic number.

It is not a de Polignac number, because 31535501253413 - 2³⁴ = 31518321384229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31535501253463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15767750626706 + 15767750626707.

It is an arithmetic number, because the mean of its divisors is an integer number (15767750626707).

Almost surely, 2^{31535501253413} is an apocalyptic number.

It is an amenable number.

31535501253413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31535501253413 is an equidigital number, since it uses as much as digits as its factorization.

31535501253413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 31535501253413 in words is "thirty-one trillion, five hundred thirty-five billion, five hundred one million, two hundred fifty-three thousand, four hundred thirteen".