3113660421 has 24 divisors (see below), whose sum is σ = 4582385496. Its totient is φ = 2036966400.

The previous prime is 3113660383. The next prime is 3113660453. The reversal of 3113660421 is 1240663113.

3113660421 is a `hidden beast` number, since 3 + 1 + 1 + 36 + 604 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 982822500 + 2130837921 = 31350^2 + 46161^2 .

It is not a de Polignac number, because 3113660421 - 2¹³ = 3113652229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113660471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87561 + ... + 117873.

It is an arithmetic number, because the mean of its divisors is an integer number (190932729).

Almost surely, 2^3113660421 is an apocalyptic number.

It is an amenable number.

3113660421 is a deficient number, since it is larger than the sum of its proper divisors (1468725075).

3113660421 is a wasteful number, since it uses less digits than its factorization.

3113660421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30533 (or 30530 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3113660421 is about 55800.1829835709. The cubic root of 3113660421 is about 1460.2383455565.

The spelling of 3113660421 in words is "three billion, one hundred thirteen million, six hundred sixty thousand, four hundred twenty-one".