31457345401 has 2 divisors, whose sum is σ = 31457345402. Its totient is φ = 31457345400.

The previous prime is 31457345393. The next prime is 31457345417. The reversal of 31457345401 is 10454375413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31350243600 + 107101801 = 177060^2 + 10349^2 .

It is a cyclic number.

It is not a de Polignac number, because 31457345401 - 2³ = 31457345393 is a prime.

It is not a weakly prime, because it can be changed into another prime (31457345431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15728672700 + 15728672701.

It is an arithmetic number, because the mean of its divisors is an integer number (15728672701).

Almost surely, 2^31457345401 is an apocalyptic number.

It is an amenable number.

31457345401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31457345401 is an equidigital number, since it uses as much as digits as its factorization.

31457345401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 31457345401 in words is "thirty-one billion, four hundred fifty-seven million, three hundred forty-five thousand, four hundred one".