2656042231 has 8 divisors (see below), whose sum is σ = 2772324864. Its totient is φ = 2539826520.

The previous prime is 2656042199. The next prime is 2656042237. The reversal of 2656042231 is 1322406562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2656042231 - 2⁵ = 2656042199 is a prime.

It is a super-2 number, since 2×2656042231² = 14109120665710914722, 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 = 2656042193 and 2656042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656042237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75190 + ... + 104716.

It is an arithmetic number, because the mean of its divisors is an integer number (346540608).

Almost surely, 2^2656042231 is an apocalyptic number.

2656042231 is a deficient number, since it is larger than the sum of its proper divisors (116282633).

2656042231 is a wasteful number, since it uses less digits than its factorization.

2656042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33461.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2656042231 is about 51536.8046254325. The cubic root of 2656042231 is about 1384.8784544077.

Adding to 2656042231 its reverse (1322406562), we get a palindrome (3978448793).

The spelling of 2656042231 in words is "two billion, six hundred fifty-six million, forty-two thousand, two hundred thirty-one".