231634878634 has 8 divisors (see below), whose sum is σ = 347653978560. Its totient is φ = 115750219116.

The previous prime is 231634878613. The next prime is 231634878637. The reversal of 231634878634 is 436878436132.

It is a happy number.

231634878634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (231634878637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33605794 + ... + 33612685.

It is an arithmetic number, because the mean of its divisors is an integer number (43456747320).

Almost surely, 2^231634878634 is an apocalyptic number.

231634878634 is a deficient number, since it is larger than the sum of its proper divisors (116019099926).

231634878634 is a wasteful number, since it uses less digits than its factorization.

231634878634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67220204.

The product of its digits is 13934592, while the sum is 55.

The spelling of 231634878634 in words is "two hundred thirty-one billion, six hundred thirty-four million, eight hundred seventy-eight thousand, six hundred thirty-four".