31204133140213 has 24 divisors (see below), whose sum is σ = 35220425531480. Its totient is φ = 27614700748800.

The previous prime is 31204133140211. The next prime is 31204133140241.

31204133140213 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 2602836324 + 31201530303889 = 51018^2 + 5585833^2 .

It is not a de Polignac number, because 31204133140213 - 2¹ = 31204133140211 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 (31204133140211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21075948 + ... + 22507861.

Almost surely, 2^{31204133140213} is an apocalyptic number.

It is an amenable number.

31204133140213 is a deficient number, since it is larger than the sum of its proper divisors (4016292391267).

31204133140213 is a wasteful number, since it uses less digits than its factorization.

31204133140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43583989 (or 43583978 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 3120413 and 3140213, that added together give a palindrome (6260626).

The spelling of 31204133140213 in words is "thirty-one trillion, two hundred four billion, one hundred thirty-three million, one hundred forty thousand, two hundred thirteen".