3112313401 has 4 divisors (see below), whose sum is σ = 3116938612. Its totient is φ = 3107688192.

The previous prime is 3112313389. The next prime is 3112313429. The reversal of 3112313401 is 1043132113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 600299001 + 2512014400 = 24501^2 + 50120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112313401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112313431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311596 + ... + 2312941.

It is an arithmetic number, because the mean of its divisors is an integer number (779234653).

Almost surely, 2^3112313401 is an apocalyptic number.

It is an amenable number.

3112313401 is a deficient number, since it is larger than the sum of its proper divisors (4625211).

3112313401 is an equidigital number, since it uses as much as digits as its factorization.

3112313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625210.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3112313401 is about 55788.1116457619. Note that the first 3 decimals coincide. The cubic root of 3112313401 is about 1460.0277409191.

Adding to 3112313401 its reverse (1043132113), we get a palindrome (4155445514).

The spelling of 3112313401 in words is "three billion, one hundred twelve million, three hundred thirteen thousand, four hundred one".