3131323101 has 48 divisors (see below), whose sum is σ = 4864179840. Its totient is φ = 1935290880.

The previous prime is 3131323037. The next prime is 3131323127. The reversal of 3131323101 is 1013231313.

It is a happy number.

It is not a de Polignac number, because 3131323101 - 2⁶ = 3131323037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131323001) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1709256 + ... + 1711086.

It is an arithmetic number, because the mean of its divisors is an integer number (101337080).

Almost surely, 2^3131323101 is an apocalyptic number.

It is an amenable number.

3131323101 is a deficient number, since it is larger than the sum of its proper divisors (1732856739).

3131323101 is a wasteful number, since it uses less digits than its factorization.

3131323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3131323101 is about 55958.2263925511. The cubic root of 3131323101 is about 1462.9942772884.

Adding to 3131323101 its reverse (1013231313), we get a palindrome (4144554414).

The spelling of 3131323101 in words is "three billion, one hundred thirty-one million, three hundred twenty-three thousand, one hundred one".