2656102231 has 4 divisors (see below), whose sum is σ = 2673692464. Its totient is φ = 2638512000.

The previous prime is 2656102223. The next prime is 2656102237. The reversal of 2656102231 is 1322016562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656102231 - 2³ = 2656102223 is a prime.

It is a super-2 number, since 2×2656102231² = 14109758123046354722, which contains 22 as substring.

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 2656102231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656102237) 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, 8794890 + ... + 8795191.

It is an arithmetic number, because the mean of its divisors is an integer number (668423116).

Almost surely, 2^2656102231 is an apocalyptic number.

2656102231 is a deficient number, since it is larger than the sum of its proper divisors (17590233).

2656102231 is a wasteful number, since it uses less digits than its factorization.

2656102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590232.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2656102231 is about 51537.3867304115. The cubic root of 2656102231 is about 1384.8888824650. Note that the first 5 decimals are identical.

Adding to 2656102231 its reverse (1322016562), we get a palindrome (3978118793).

The spelling of 2656102231 in words is "two billion, six hundred fifty-six million, one hundred two thousand, two hundred thirty-one".