3113321020 has 48 divisors (see below), whose sum is σ = 6615943488. Its totient is φ = 1230566400.

The previous prime is 3113320997. The next prime is 3113321087. The reversal of 3113321020 is 201233113.

It is a junction number, because it is equal to n+sod(n) for n = 3113320985 and 3113321003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592324 + ... + 597556.

It is an arithmetic number, because the mean of its divisors is an integer number (137832156).

Almost surely, 2^3113321020 is an apocalyptic number.

It is an amenable number.

3113321020 is an abundant number, since it is smaller than the sum of its proper divisors (3502622468).

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

3113321020 is a wasteful number, since it uses less digits than its factorization.

3113321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3113321020 is about 55797.1416830647. The cubic root of 3113321020 is about 1460.1852864239.

Adding to 3113321020 its reverse (201233113), we get a palindrome (3314554133).

The spelling of 3113321020 in words is "three billion, one hundred thirteen million, three hundred twenty-one thousand, twenty".