3112312020 has 48 divisors (see below), whose sum is σ = 8727808320. Its totient is φ = 828679936.

The previous prime is 3112312019. The next prime is 3112312037. The reversal of 3112312020 is 202132113.

It is a super-2 number, since 2×3112312020² = 19372972219672960800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 184 + ... + 78896.

It is an arithmetic number, because the mean of its divisors is an integer number (181829340).

Almost surely, 2^3112312020 is an apocalyptic number.

3112312020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3112312020 is an abundant number, since it is smaller than the sum of its proper divisors (5615496300).

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

3112312020 is a wasteful number, since it uses less digits than its factorization.

3112312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79384 (or 79382 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3112312020 is about 55788.0992685716. The cubic root of 3112312020 is about 1460.0275249705.

Adding to 3112312020 its reverse (202132113), we get a palindrome (3314444133).

The spelling of 3112312020 in words is "three billion, one hundred twelve million, three hundred twelve thousand, twenty".