231345284733 has 8 divisors (see below), whose sum is σ = 342733755200. Its totient is φ = 154230189804.

The previous prime is 231345284707. The next prime is 231345284749. The reversal of 231345284733 is 337482543132.

231345284733 is a `hidden beast` number, since 23 + 1 + 34 + 528 + 4 + 73 + 3 = 666.

It is not a de Polignac number, because 231345284733 - 2⁹ = 231345284221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231345234733) 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, 4284171913 + ... + 4284171966.

It is an arithmetic number, because the mean of its divisors is an integer number (42841719400).

Almost surely, 2^231345284733 is an apocalyptic number.

It is an amenable number.

231345284733 is a deficient number, since it is larger than the sum of its proper divisors (111388470467).

231345284733 is an equidigital number, since it uses as much as digits as its factorization.

231345284733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568343888 (or 8568343882 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The spelling of 231345284733 in words is "two hundred thirty-one billion, three hundred forty-five million, two hundred eighty-four thousand, seven hundred thirty-three".