3113121020 has 24 divisors (see below), whose sum is σ = 6539206464. Its totient is φ = 1244933696.

The previous prime is 3113120993. The next prime is 3113121043. The reversal of 3113121020 is 201213113.

It is a junction number, because it is equal to n+sod(n) for n = 3113120986 and 3113121004.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71822 + ... + 106698.

It is an arithmetic number, because the mean of its divisors is an integer number (272466936).

Almost surely, 2^3113121020 is an apocalyptic number.

It is an amenable number.

3113121020 is an abundant number, since it is smaller than the sum of its proper divisors (3426085444).

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

3113121020 is a wasteful number, since it uses less digits than its factorization.

3113121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39349 (or 39347 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3113121020 is about 55795.3494477810. The cubic root of 3113121020 is about 1460.1540182798.

Adding to 3113121020 its reverse (201213113), we get a palindrome (3314334133).

The spelling of 3113121020 in words is "three billion, one hundred thirteen million, one hundred twenty-one thousand, twenty".