3113213525 has 12 divisors (see below), whose sum is σ = 3862111812. Its totient is φ = 2489456640.

The previous prime is 3113213449. The next prime is 3113213531. The reversal of 3113213525 is 5253123113.

It can be written as a sum of positive squares in 6 ways, for example, as 72573361 + 3040640164 = 8519^2 + 55142^2 .

It is not a de Polignac number, because 3113213525 - 2¹⁴ = 3113197141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113213494 and 3113213503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31637 + ... + 85013.

It is an arithmetic number, because the mean of its divisors is an integer number (321842651).

Almost surely, 2^3113213525 is an apocalyptic number.

It is an amenable number.

3113213525 is a deficient number, since it is larger than the sum of its proper divisors (748898287).

3113213525 is a wasteful number, since it uses less digits than its factorization.

3113213525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55720 (or 55715 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 3113213525 is about 55796.1784085613. The cubic root of 3113213525 is about 1460.1684807446.

Adding to 3113213525 its reverse (5253123113), we get a palindrome (8366336638).

The spelling of 3113213525 in words is "three billion, one hundred thirteen million, two hundred thirteen thousand, five hundred twenty-five".