2256441431 has 4 divisors (see below), whose sum is σ = 2256582312. Its totient is φ = 2256300552.

The previous prime is 2256441419. The next prime is 2256441449. The reversal of 2256441431 is 1341446522.

2256441431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256441431 is a prime.

It is a super-2 number, since 2×2256441431² = 10183055863066655522, which 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 (2256341431) 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, 42800 + ... + 79653.

It is an arithmetic number, because the mean of its divisors is an integer number (564145578).

Almost surely, 2^2256441431 is an apocalyptic number.

2256441431 is a deficient number, since it is larger than the sum of its proper divisors (140881).

2256441431 is a wasteful number, since it uses less digits than its factorization.

2256441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140880.

The product of its digits is 23040, while the sum is 32.

The square root of 2256441431 is about 47502.0150204178. The cubic root of 2256441431 is about 1311.6199742022.

Adding to 2256441431 its reverse (1341446522), we get a palindrome (3597887953).

The spelling of 2256441431 in words is "two billion, two hundred fifty-six million, four hundred forty-one thousand, four hundred thirty-one".