3122313312 has 24 divisors (see below), whose sum is σ = 8196072696. Its totient is φ = 1040771072.

The previous prime is 3122313307. The next prime is 3122313349. The reversal of 3122313312 is 2133132213.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

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, 16261953 + ... + 16262144.

It is an arithmetic number, because the mean of its divisors is an integer number (341503029).

Almost surely, 2^3122313312 is an apocalyptic number.

3122313312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3122313312 is an abundant number, since it is smaller than the sum of its proper divisors (5073759384).

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

3122313312 is a wasteful number, since it uses less digits than its factorization.

3122313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32524110 (or 32524102 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 3122313312 is about 55877.6638022743. The cubic root of 3122313312 is about 1461.5897663973.

Adding to 3122313312 its reverse (2133132213), we get a palindrome (5255445525).

The spelling of 3122313312 in words is "three billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred twelve".