2656613231 has 16 divisors (see below), whose sum is σ = 2906112000. Its totient is φ = 2419178400.

The previous prime is 2656613221. The next prime is 2656613261. The reversal of 2656613231 is 1323166562.

It is a cyclic number.

It is not a de Polignac number, because 2656613231 - 2¹⁰ = 2656612207 is a prime.

It is a super-2 number, since 2×2656613231² = 14115187718248518722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2656613191 and 2656613200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656613221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72626 + ... + 102896.

It is an arithmetic number, because the mean of its divisors is an integer number (181632000).

Almost surely, 2^2656613231 is an apocalyptic number.

2656613231 is a deficient number, since it is larger than the sum of its proper divisors (249498769).

2656613231 is a wasteful number, since it uses less digits than its factorization.

2656613231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30470.

The product of its digits is 38880, while the sum is 35.

The square root of 2656613231 is about 51542.3440580655. The cubic root of 2656613231 is about 1384.9776883893.

Adding to 2656613231 its reverse (1323166562), we get a palindrome (3979779793).

The spelling of 2656613231 in words is "two billion, six hundred fifty-six million, six hundred thirteen thousand, two hundred thirty-one".