3112655431 has 4 divisors (see below), whose sum is σ = 3116800864. Its totient is φ = 3108510000.

The previous prime is 3112655387. The next prime is 3112655453. The reversal of 3112655431 is 1345562113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3112655431 - 2²¹ = 3110558279 is a prime.

It is a super-2 number, since 2×3112655431² = 19377247664267591522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112655393 and 3112655402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112655131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071590 + ... + 2073091.

It is an arithmetic number, because the mean of its divisors is an integer number (779200216).

Almost surely, 2^3112655431 is an apocalyptic number.

3112655431 is a deficient number, since it is larger than the sum of its proper divisors (4145433).

3112655431 is an equidigital number, since it uses as much as digits as its factorization.

3112655431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145432.

The product of its digits is 10800, while the sum is 31.

The square root of 3112655431 is about 55791.1769995938. The cubic root of 3112655431 is about 1460.0812225721.

The spelling of 3112655431 in words is "three billion, one hundred twelve million, six hundred fifty-five thousand, four hundred thirty-one".