3131041345 has 16 divisors (see below), whose sum is σ = 3846648960. Its totient is φ = 2445295104.

The previous prime is 3131041339. The next prime is 3131041391. The reversal of 3131041345 is 5431401313.

It is not a de Polignac number, because 3131041345 - 2³ = 3131041337 is a prime.

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, 756241 + ... + 760369.

It is an arithmetic number, because the mean of its divisors is an integer number (240415560).

Almost surely, 2^3131041345 is an apocalyptic number.

It is an amenable number.

3131041345 is a deficient number, since it is larger than the sum of its proper divisors (715607615).

3131041345 is a wasteful number, since it uses less digits than its factorization.

3131041345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3131041345 is about 55955.7087793551. The cubic root of 3131041345 is about 1462.9503959677.

Adding to 3131041345 its reverse (5431401313), we get a palindrome (8562442658).

The spelling of 3131041345 in words is "three billion, one hundred thirty-one million, forty-one thousand, three hundred forty-five".