31400910413 has 2 divisors, whose sum is σ = 31400910414. Its totient is φ = 31400910412.

The previous prime is 31400910397. The next prime is 31400910427. The reversal of 31400910413 is 31401900413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28621195684 + 2779714729 = 169178^2 + 52723^2 .

It is a cyclic number.

It is not a de Polignac number, because 31400910413 - 2⁴ = 31400910397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31400910113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700455206 + 15700455207.

It is an arithmetic number, because the mean of its divisors is an integer number (15700455207).

Almost surely, 2^31400910413 is an apocalyptic number.

It is an amenable number.

31400910413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400910413 is an equidigital number, since it uses as much as digits as its factorization.

31400910413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31400910413 in words is "thirty-one billion, four hundred million, nine hundred ten thousand, four hundred thirteen".