2556023163031 has 8 divisors (see below), whose sum is σ = 2752656384464. Its totient is φ = 2359392235200.

The previous prime is 2556023162989. The next prime is 2556023163041. The reversal of 2556023163031 is 1303613206552.

2556023163031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2556023163031 - 2¹⁵ = 2556023130263 is a prime.

It is a super-2 number, since 2×2556023163031² (a number of 26 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 (2556023163041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259595 + ... + 3196531.

It is an arithmetic number, because the mean of its divisors is an integer number (344082048058).

Almost surely, 2^{2556023163031} is an apocalyptic number.

2556023163031 is a deficient number, since it is larger than the sum of its proper divisors (196633221433).

2556023163031 is a wasteful number, since it uses less digits than its factorization.

2556023163031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146801.

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 2556023163031 its reverse (1303613206552), we get a palindrome (3859636369583).

The spelling of 2556023163031 in words is "two trillion, five hundred fifty-six billion, twenty-three million, one hundred sixty-three thousand, thirty-one".