3112252021 has 2 divisors, whose sum is σ = 3112252022. Its totient is φ = 3112252020.

The previous prime is 3112252007. The next prime is 3112252049. The reversal of 3112252021 is 1202522113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2549139121 + 563112900 = 50489^2 + 23730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112252021 is a prime.

It is a super-2 number, since 2×3112252021² = 19372225284437168882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3112252021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112252921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556126010 + 1556126011.

It is an arithmetic number, because the mean of its divisors is an integer number (1556126011).

Almost surely, 2^3112252021 is an apocalyptic number.

It is an amenable number.

3112252021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112252021 is an equidigital number, since it uses as much as digits as its factorization.

3112252021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3112252021 is about 55787.5615258455. The cubic root of 3112252021 is about 1460.0181427970.

Adding to 3112252021 its reverse (1202522113), we get a palindrome (4314774134).

The spelling of 3112252021 in words is "three billion, one hundred twelve million, two hundred fifty-two thousand, twenty-one".