10256122631 has 4 divisors (see below), whose sum is σ = 10361855952. Its totient is φ = 10150389312.

The previous prime is 10256122573. The next prime is 10256122673. The reversal of 10256122631 is 13622165201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13622165201 = 769 ⋅17714129.

It is a cyclic number.

It is not a de Polignac number, because 10256122631 - 2⁶ = 10256122567 is a prime.

It is a super-2 number, since 2×10256122631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10256122594 and 10256122603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256172631) 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, 52866515 + ... + 52866708.

It is an arithmetic number, because the mean of its divisors is an integer number (2590463988).

Almost surely, 2^10256122631 is an apocalyptic number.

10256122631 is a deficient number, since it is larger than the sum of its proper divisors (105733321).

10256122631 is an equidigital number, since it uses as much as digits as its factorization.

10256122631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105733320.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 10256122631 its reverse (13622165201), we get a palindrome (23878287832).

The spelling of 10256122631 in words is "ten billion, two hundred fifty-six million, one hundred twenty-two thousand, six hundred thirty-one".