3131345294 has 96 divisors (see below), whose sum is σ = 6346343520. Its totient is φ = 1141862400.

The previous prime is 3131345227. The next prime is 3131345317. The reversal of 3131345294 is 4925431313.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4416212 + ... + 4416920.

It is an arithmetic number, because the mean of its divisors is an integer number (66107745).

Almost surely, 2^3131345294 is an apocalyptic number.

3131345294 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3131345294 is an abundant number, since it is smaller than the sum of its proper divisors (3214998226).

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

3131345294 is a wasteful number, since it uses less digits than its factorization.

3131345294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 987 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 3131345294 is about 55958.4246919085. The cubic root of 3131345294 is about 1462.9977335649.

The spelling of 3131345294 in words is "three billion, one hundred thirty-one million, three hundred forty-five thousand, two hundred ninety-four".