3131113302 has 12 divisors (see below), whose sum is σ = 6784078860. Its totient is φ = 1043704428.

The previous prime is 3131113301. The next prime is 3131113313. The reversal of 3131113302 is 2033111313.

It is a happy number.

It is a super-2 number, since 2×3131113302² = 19607741019922686408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173950739 = 3131113302 / (3 + 1 + 3 + 1 + 1 + 1 + 3 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131113301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86975352 + ... + 86975387.

It is an arithmetic number, because the mean of its divisors is an integer number (565339905).

Almost surely, 2^3131113302 is an apocalyptic number.

3131113302 is an abundant number, since it is smaller than the sum of its proper divisors (3652965558).

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

3131113302 is a wasteful number, since it uses less digits than its factorization.

3131113302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173950747 (or 173950744 counting only the distinct ones).

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

The square root of 3131113302 is about 55956.3517574189. The cubic root of 3131113302 is about 1462.9616029649.

Adding to 3131113302 its reverse (2033111313), we get a palindrome (5164224615).

The spelling of 3131113302 in words is "three billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred two".