3112561313 has 8 divisors (see below), whose sum is σ = 3161355360. Its totient is φ = 3063836160.

The previous prime is 3112561307. The next prime is 3112561349. The reversal of 3112561313 is 3131652113.

3112561313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3112561313 - 2¹⁶ = 3112495777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112561303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77918 + ... + 110888.

It is an arithmetic number, because the mean of its divisors is an integer number (395169420).

Almost surely, 2^3112561313 is an apocalyptic number.

It is an amenable number.

3112561313 is a deficient number, since it is larger than the sum of its proper divisors (48794047).

3112561313 is a wasteful number, since it uses less digits than its factorization.

3112561313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34447.

The product of its digits is 1620, while the sum is 26.

The square root of 3112561313 is about 55790.3335085927. Note that the first 3 decimals coincide. The cubic root of 3112561313 is about 1460.0665061654.

The spelling of 3112561313 in words is "three billion, one hundred twelve million, five hundred sixty-one thousand, three hundred thirteen".