31415251413 has 64 divisors (see below), whose sum is σ = 53017638912. Its totient is φ = 16101192960.

The previous prime is 31415251391. The next prime is 31415251421.

31415251413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31415251413 - 2⁸ = 31415251157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31415251463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9806470 + ... + 9809672.

It is an arithmetic number, because the mean of its divisors is an integer number (828400608).

Almost surely, 2^31415251413 is an apocalyptic number.

It is an amenable number.

31415251413 is a deficient number, since it is larger than the sum of its proper divisors (21602387499).

31415251413 is a wasteful number, since it uses less digits than its factorization.

31415251413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234.

The product of its digits is 7200, while the sum is 30.

The spelling of 31415251413 in words is "thirty-one billion, four hundred fifteen million, two hundred fifty-one thousand, four hundred thirteen".