231335113455 has 80 divisors (see below), whose sum is σ = 418008729600. Its totient is φ = 122395250880.

The previous prime is 231335113441. The next prime is 231335113463. The reversal of 231335113455 is 554311533132.

231335113455 is a `hidden beast` number, since 2 + 3 + 133 + 511 + 3 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 231335113455 - 2⁵ = 231335113423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26227036 + ... + 26235854.

It is an arithmetic number, because the mean of its divisors is an integer number (5225109120).

Almost surely, 2^231335113455 is an apocalyptic number.

231335113455 is a deficient number, since it is larger than the sum of its proper divisors (186673616145).

231335113455 is a wasteful number, since it uses less digits than its factorization.

231335113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9337 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

Adding to 231335113455 its reverse (554311533132), we get a palindrome (785646646587).

The spelling of 231335113455 in words is "two hundred thirty-one billion, three hundred thirty-five million, one hundred thirteen thousand, four hundred fifty-five".