231059821942 has 8 divisors (see below), whose sum is σ = 346991345856. Its totient is φ = 115396039992.

The previous prime is 231059821907. The next prime is 231059821963. The reversal of 231059821942 is 249128950132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231059821892 and 231059821901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66933333 + ... + 66936784.

It is an arithmetic number, because the mean of its divisors is an integer number (43373918232).

Almost surely, 2^231059821942 is an apocalyptic number.

231059821942 is a deficient number, since it is larger than the sum of its proper divisors (115931523914).

231059821942 is a wasteful number, since it uses less digits than its factorization.

231059821942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133870982.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 231059821942 in words is "two hundred thirty-one billion, fifty-nine million, eight hundred twenty-one thousand, nine hundred forty-two".