231005772273 has 8 divisors (see below), whose sum is σ = 308136096000. Its totient is φ = 153939648368.

The previous prime is 231005772247. The next prime is 231005772329. The reversal of 231005772273 is 372277500132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231005772273 - 2⁸ = 231005772017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231005772973) 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, 16041558 + ... + 16055951.

It is an arithmetic number, because the mean of its divisors is an integer number (38517012000).

Almost surely, 2^231005772273 is an apocalyptic number.

It is an amenable number.

231005772273 is a deficient number, since it is larger than the sum of its proper divisors (77130323727).

231005772273 is a wasteful number, since it uses less digits than its factorization.

231005772273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32099911.

The product of its (nonzero) digits is 123480, while the sum is 39.

The spelling of 231005772273 in words is "two hundred thirty-one billion, five million, seven hundred seventy-two thousand, two hundred seventy-three".