231355148973 has 8 divisors (see below), whose sum is σ = 332202265248. Its totient is φ = 142372399344.

The previous prime is 231355148971. The next prime is 231355148989. The reversal of 231355148973 is 379841553132.

It is a happy number.

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

It is not a de Polignac number, because 231355148973 - 2¹ = 231355148971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231355148971) 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, 2966091615 + ... + 2966091692.

It is an arithmetic number, because the mean of its divisors is an integer number (41525283156).

Almost surely, 2^231355148973 is an apocalyptic number.

It is an amenable number.

231355148973 is a deficient number, since it is larger than the sum of its proper divisors (100847116275).

231355148973 is a wasteful number, since it uses less digits than its factorization.

231355148973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932183323.

The product of its digits is 2721600, while the sum is 51.

The spelling of 231355148973 in words is "two hundred thirty-one billion, three hundred fifty-five million, one hundred forty-eight thousand, nine hundred seventy-three".