3131424013344 has 96 divisors (see below), whose sum is σ = 9439220770560. Its totient is φ = 898973395200.

The previous prime is 3131424013313. The next prime is 3131424013349. The reversal of 3131424013344 is 4433104241313.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3131424013349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78015822 + ... + 78055949.

It is an arithmetic number, because the mean of its divisors is an integer number (98325216360).

Almost surely, 2^{3131424013344} is an apocalyptic number.

It is an amenable number.

3131424013344 is an abundant number, since it is smaller than the sum of its proper divisors (6307796757216).

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

3131424013344 is a wasteful number, since it uses less digits than its factorization.

3131424013344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156071814 (or 156071806 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 3131424013344 its reverse (4433104241313), we get a palindrome (7564528254657).

The spelling of 3131424013344 in words is "three trillion, one hundred thirty-one billion, four hundred twenty-four million, thirteen thousand, three hundred forty-four".