231629934478 has 8 divisors (see below), whose sum is σ = 347649647472. Its totient is φ = 115746718656.

The previous prime is 231629934469. The next prime is 231629934479. The reversal of 231629934478 is 874439926132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231629934479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34120050 + ... + 34126837.

It is an arithmetic number, because the mean of its divisors is an integer number (43456205934).

Almost surely, 2^231629934478 is an apocalyptic number.

231629934478 is a deficient number, since it is larger than the sum of its proper divisors (116019712994).

231629934478 is a wasteful number, since it uses less digits than its factorization.

231629934478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68248586.

The product of its digits is 15676416, while the sum is 58.

The spelling of 231629934478 in words is "two hundred thirty-one billion, six hundred twenty-nine million, nine hundred thirty-four thousand, four hundred seventy-eight".