3131143194 has 16 divisors (see below), whose sum is σ = 6273535968. Its totient is φ = 1041839472.

The previous prime is 3131143187. The next prime is 3131143207. The reversal of 3131143194 is 4913411313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465112 + ... + 471795.

It is an arithmetic number, because the mean of its divisors is an integer number (392095998).

Almost surely, 2^3131143194 is an apocalyptic number.

3131143194 is an abundant number, since it is smaller than the sum of its proper divisors (3142392774).

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

3131143194 is a wasteful number, since it uses less digits than its factorization.

3131143194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937469.

The product of its digits is 3888, while the sum is 30.

The square root of 3131143194 is about 55956.6188578259. The cubic root of 3131143194 is about 1462.9662584665.

The spelling of 3131143194 in words is "three billion, one hundred thirty-one million, one hundred forty-three thousand, one hundred ninety-four".