3131144302 has 64 divisors (see below), whose sum is σ = 5633510400. Its totient is φ = 1286513280.

The previous prime is 3131144281. The next prime is 3131144321. The reversal of 3131144302 is 2034411313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3140068 + ... + 3141064.

It is an arithmetic number, because the mean of its divisors is an integer number (88023600).

Almost surely, 2^3131144302 is an apocalyptic number.

3131144302 is a deficient number, since it is larger than the sum of its proper divisors (2502366098).

3131144302 is a wasteful number, since it uses less digits than its factorization.

3131144302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3131144302 is about 55956.6287583518. The cubic root of 3131144302 is about 1462.9664310304.

Adding to 3131144302 its reverse (2034411313), we get a palindrome (5165555615).

The spelling of 3131144302 in words is "three billion, one hundred thirty-one million, one hundred forty-four thousand, three hundred two".