3131044142 has 24 divisors (see below), whose sum is σ = 4931649576. Its totient is φ = 1490744816.

The previous prime is 3131044129. The next prime is 3131044159. The reversal of 3131044142 is 2414401313.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233648 + ... + 246684.

It is an arithmetic number, because the mean of its divisors is an integer number (205485399).

Almost surely, 2^3131044142 is an apocalyptic number.

3131044142 is a deficient number, since it is larger than the sum of its proper divisors (1800605434).

3131044142 is a wasteful number, since it uses less digits than its factorization.

3131044142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312 (or 13289 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3131044142 is about 55955.7337723311. The cubic root of 3131044142 is about 1462.9508315917.

Adding to 3131044142 its reverse (2414401313), we get a palindrome (5545445455).

The spelling of 3131044142 in words is "three billion, one hundred thirty-one million, forty-four thousand, one hundred forty-two".