3131424044420 has 48 divisors (see below), whose sum is σ = 7519126043520. Its totient is φ = 1073101338624.

The previous prime is 3131424044389. The next prime is 3131424044449. The reversal of 3131424044420 is 244404241313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5233565 + ... + 5801124.

It is an arithmetic number, because the mean of its divisors is an integer number (156648459240).

Almost surely, 2^{3131424044420} is an apocalyptic number.

It is an amenable number.

3131424044420 is an abundant number, since it is smaller than the sum of its proper divisors (4387701999100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131424044420 is a wasteful number, since it uses less digits than its factorization.

3131424044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036732 (or 11036730 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 3131424044420 its reverse (244404241313), we get a palindrome (3375828285733).

The spelling of 3131424044420 in words is "three trillion, one hundred thirty-one billion, four hundred twenty-four million, forty-four thousand, four hundred twenty".