2163155252331 has 16 divisors (see below), whose sum is σ = 2888022009600. Its totient is φ = 1440196247328.

The previous prime is 2163155252329. The next prime is 2163155252333. The reversal of 2163155252331 is 1332525513612.

It is an interprime number because it is at equal distance from previous prime (2163155252329) and next prime (2163155252333).

It is not a de Polignac number, because 2163155252331 - 2¹ = 2163155252329 is a prime.

It is a super-2 number, since 2×2163155252331² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2163155252331.

It is not an unprimeable number, because it can be changed into a prime (2163155252333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58415140 + ... + 58452158.

It is an arithmetic number, because the mean of its divisors is an integer number (180501375600).

Almost surely, 2^{2163155252331} is an apocalyptic number.

2163155252331 is a deficient number, since it is larger than the sum of its proper divisors (724866757269).

2163155252331 is a wasteful number, since it uses less digits than its factorization.

2163155252331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62258.

The product of its digits is 162000, while the sum is 39.

The spelling of 2163155252331 in words is "two trillion, one hundred sixty-three billion, one hundred fifty-five million, two hundred fifty-two thousand, three hundred thirty-one".