231942334 has 16 divisors (see below), whose sum is σ = 381029040. Its totient is φ = 105235200.

The previous prime is 231942287. The next prime is 231942343. The reversal of 231942334 is 433249132.

It is a junction number, because it is equal to n+sod(n) for n = 231942296 and 231942305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74067 + ... + 77134.

It is an arithmetic number, because the mean of its divisors is an integer number (23814315).

Almost surely, 2^231942334 is an apocalyptic number.

231942334 is a deficient number, since it is larger than the sum of its proper divisors (149086706).

231942334 is a wasteful number, since it uses less digits than its factorization.

231942334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151275.

The product of its digits is 15552, while the sum is 31.

The square root of 231942334 is about 15229.6531148940. The cubic root of 231942334 is about 614.4124505098.

The spelling of 231942334 in words is "two hundred thirty-one million, nine hundred forty-two thousand, three hundred thirty-four".