3112775641 has 4 divisors (see below), whose sum is σ = 3113605300. Its totient is φ = 3111945984.

The previous prime is 3112775621. The next prime is 3112775657. The reversal of 3112775641 is 1465772113.

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 2236911616 + 875864025 = 47296^2 + 29595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112775641 - 2¹⁵ = 3112742873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3112775641.

It is not an unprimeable number, because it can be changed into a prime (3112775621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409176 + ... + 416713.

It is an arithmetic number, because the mean of its divisors is an integer number (778401325).

Almost surely, 2^3112775641 is an apocalyptic number.

It is an amenable number.

3112775641 is a deficient number, since it is larger than the sum of its proper divisors (829659).

3112775641 is an equidigital number, since it uses as much as digits as its factorization.

3112775641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829658.

The product of its digits is 35280, while the sum is 37.

The square root of 3112775641 is about 55792.2543100743. The cubic root of 3112775641 is about 1460.1000183247.

The spelling of 3112775641 in words is "three billion, one hundred twelve million, seven hundred seventy-five thousand, six hundred forty-one".