2656051231 has 2 divisors, whose sum is σ = 2656051232. Its totient is φ = 2656051230.

The previous prime is 2656051213. The next prime is 2656051241. The reversal of 2656051231 is 1321506562.

Together with previous prime (2656051213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2656051231 - 2¹⁷ = 2655920159 is a prime.

It is a super-2 number, since 2×2656051231² = 14109216283393230722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2656051193 and 2656051202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328025615 + 1328025616.

It is an arithmetic number, because the mean of its divisors is an integer number (1328025616).

Almost surely, 2^2656051231 is an apocalyptic number.

2656051231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656051231 is an equidigital number, since it uses as much as digits as its factorization.

2656051231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2656051231 is about 51536.8919415985. The cubic root of 2656051231 is about 1384.8800186263.

Adding to 2656051231 its reverse (1321506562), we get a palindrome (3977557793).

The spelling of 2656051231 in words is "two billion, six hundred fifty-six million, fifty-one thousand, two hundred thirty-one".