3113215320 has 64 divisors (see below), whose sum is σ = 9401552640. Its totient is φ = 824688000.

The previous prime is 3113215309. The next prime is 3113215327. The reversal of 3113215320 is 235123113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113215327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67786 + ... + 104025.

It is an arithmetic number, because the mean of its divisors is an integer number (146899260).

Almost surely, 2^3113215320 is an apocalyptic number.

3113215320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3113215320 is an abundant number, since it is smaller than the sum of its proper divisors (6288337320).

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

3113215320 is a wasteful number, since it uses less digits than its factorization.

3113215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171976 (or 171972 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3113215320 is about 55796.1944938900. The cubic root of 3113215320 is about 1460.1687613766.

Adding to 3113215320 its reverse (235123113), we get a palindrome (3348338433).

The spelling of 3113215320 in words is "three billion, one hundred thirteen million, two hundred fifteen thousand, three hundred twenty".