3131142994 has 16 divisors (see below), whose sum is σ = 5683419648. Its totient is φ = 1262981952.

The previous prime is 3131142991. The next prime is 3131143031. The reversal of 3131142994 is 4992411313.

It is a happy number.

3131142994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3131142991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6577794 + ... + 6578269.

It is an arithmetic number, because the mean of its divisors is an integer number (355213728).

Almost surely, 2^3131142994 is an apocalyptic number.

3131142994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3131142994 is a deficient number, since it is larger than the sum of its proper divisors (2552276654).

3131142994 is a wasteful number, since it uses less digits than its factorization.

3131142994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156089.

The product of its digits is 23328, while the sum is 37.

The square root of 3131142994 is about 55956.6170707272. The cubic root of 3131142994 is about 1462.9662273178.

It can be divided in two parts, 31311 and 42994, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 3131142994 in words is "three billion, one hundred thirty-one million, one hundred forty-two thousand, nine hundred ninety-four".