3020811312 has 80 divisors (see below), whose sum is σ = 7951173632. Its totient is φ = 988035840.

The previous prime is 3020811263. The next prime is 3020811341. The reversal of 3020811312 is 2131180203.

It is a super-2 number, since 2×3020811312² = 18250601965414322688, which contains 22 as substring.

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, 889137 + ... + 892527.

Almost surely, 2^3020811312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020811312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3975586816).

3020811312 is an abundant number, since it is smaller than the sum of its proper divisors (4930362320).

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

3020811312 is a wasteful number, since it uses less digits than its factorization.

3020811312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746 (or 3740 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3020811312 is about 54961.9078271488. The cubic root of 3020811312 is about 1445.5768998714.

Adding to 3020811312 its reverse (2131180203), we get a palindrome (5151991515).

The spelling of 3020811312 in words is "three billion, twenty million, eight hundred eleven thousand, three hundred twelve".