31431011013413 has 32 divisors (see below), whose sum is σ = 37494398292480. Its totient is φ = 26024917135360.

The previous prime is 31431011013401. The next prime is 31431011013419.

31431011013413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31431011013413 - 2⁴⁰ = 30331499385637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31431011013419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19308656 + ... + 20873097.

It is an arithmetic number, because the mean of its divisors is an integer number (1171699946640).

Almost surely, 2^{31431011013413} is an apocalyptic number.

It is an amenable number.

31431011013413 is a deficient number, since it is larger than the sum of its proper divisors (6063387279067).

31431011013413 is a wasteful number, since it uses less digits than its factorization.

31431011013413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40181917.

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

It can be divided in two parts, 3143101 and 1013413, that added together give a palindrome (4156514).

The spelling of 31431011013413 in words is "thirty-one trillion, four hundred thirty-one billion, eleven million, thirteen thousand, four hundred thirteen".