231355255143105 has 24 divisors (see below), whose sum is σ = 401017830228288. Its totient is φ = 123388837210656.

The previous prime is 231355255143101. The next prime is 231355255143121. The reversal of 231355255143105 is 501341552553132.

231355255143105 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 5 + 5 + 25 + 514 + 3 + 105 = 666.

It is not a de Polignac number, because 231355255143105 - 2² = 231355255143101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (231355255143101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4223557 + ... + 21921426.

It is an arithmetic number, because the mean of its divisors is an integer number (16709076259512).

Almost surely, 2^{231355255143105} is an apocalyptic number.

It is an amenable number.

231355255143105 is a deficient number, since it is larger than the sum of its proper divisors (169662575085183).

231355255143105 is a wasteful number, since it uses less digits than its factorization.

231355255143105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26341637 (or 26341634 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 231355255143105 in words is "two hundred thirty-one trillion, three hundred fifty-five billion, two hundred fifty-five million, one hundred forty-three thousand, one hundred five".