256101412431 has 4 divisors (see below), whose sum is σ = 341468549912. Its totient is φ = 170734274952.

The previous prime is 256101412397. The next prime is 256101412493. The reversal of 256101412431 is 134214101652.

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

It is not a de Polignac number, because 256101412431 - 2¹⁸ = 256101150287 is a prime.

It is a super-2 number, since 2×256101412431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256101412331) 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, 42683568736 + ... + 42683568741.

It is an arithmetic number, because the mean of its divisors is an integer number (85367137478).

Almost surely, 2^256101412431 is an apocalyptic number.

256101412431 is a deficient number, since it is larger than the sum of its proper divisors (85367137481).

256101412431 is an equidigital number, since it uses as much as digits as its factorization.

256101412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85367137480.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 256101412431 in words is "two hundred fifty-six billion, one hundred one million, four hundred twelve thousand, four hundred thirty-one".