2522131312 has 20 divisors (see below), whose sum is σ = 4953571840. Its totient is φ = 1243790208.

The previous prime is 2522131273. The next prime is 2522131321. The reversal of 2522131312 is 2131312252.

It is a super-2 number, since 2×2522131312² = 12722292709941682688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078512 + ... + 1080847.

It is an arithmetic number, because the mean of its divisors is an integer number (247678592).

Almost surely, 2^2522131312 is an apocalyptic number.

It is an amenable number.

2522131312 is a deficient number, since it is larger than the sum of its proper divisors (2431440528).

2522131312 is a wasteful number, since it uses less digits than its factorization.

2522131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159440 (or 2159434 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 2522131312 is about 50220.8254810691. The cubic root of 2522131312 is about 1361.2019564393.

Adding to 2522131312 its reverse (2131312252), we get a palindrome (4653443564).

The spelling of 2522131312 in words is "two billion, five hundred twenty-two million, one hundred thirty-one thousand, three hundred twelve".