231119947443 has 16 divisors (see below), whose sum is σ = 384199393536. Its totient is φ = 120062310240.

The previous prime is 231119947403. The next prime is 231119947501. The reversal of 231119947443 is 344749911132.

It is not a de Polignac number, because 231119947443 - 2¹⁴ = 231119931059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231119947392 and 231119947401.

It is not an unprimeable number, because it can be changed into a prime (231119947403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500259396 + ... + 500259857.

It is an arithmetic number, because the mean of its divisors is an integer number (24012462096).

Almost surely, 2^231119947443 is an apocalyptic number.

231119947443 is a deficient number, since it is larger than the sum of its proper divisors (153079446093).

231119947443 is a wasteful number, since it uses less digits than its factorization.

231119947443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000519274.

The product of its digits is 653184, while the sum is 48.

The spelling of 231119947443 in words is "two hundred thirty-one billion, one hundred nineteen million, nine hundred forty-seven thousand, four hundred forty-three".