231355253451066 has 8 divisors (see below), whose sum is σ = 462710506902144. Its totient is φ = 77118417817020.

The previous prime is 231355253451059. The next prime is 231355253451131. The reversal of 231355253451066 is 660154352553132.

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

231355253451066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19279604454250 + ... + 19279604454261.

It is an arithmetic number, because the mean of its divisors is an integer number (57838813362768).

Almost surely, 2^{231355253451066} is an apocalyptic number.

231355253451066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231355253451066 is a wasteful number, since it uses less digits than its factorization.

231355253451066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38559208908516.

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 231355253451066 in words is "two hundred thirty-one trillion, three hundred fifty-five billion, two hundred fifty-three million, four hundred fifty-one thousand, sixty-six".