2556326031 has 12 divisors (see below), whose sum is σ = 3964914072. Its totient is φ = 1460757648.

The previous prime is 2556326021. The next prime is 2556326039. The reversal of 2556326031 is 1306236552.

2556326031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556326031 - 2³¹ = 408842383 is a prime.

It is a super-2 number, since 2×2556326031² = 13069605553536425922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2556325983 and 2556326001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556326039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8694840 + ... + 8695133.

It is an arithmetic number, because the mean of its divisors is an integer number (330409506).

Almost surely, 2^2556326031 is an apocalyptic number.

2556326031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2556326031 is a deficient number, since it is larger than the sum of its proper divisors (1408588041).

2556326031 is a wasteful number, since it uses less digits than its factorization.

2556326031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17389990 (or 17389983 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 2556326031 is about 50560.1229329993. The cubic root of 2556326031 is about 1367.3260275080.

The spelling of 2556326031 in words is "two billion, five hundred fifty-six million, three hundred twenty-six thousand, thirty-one".