234132931 has 4 divisors (see below), whose sum is σ = 234163552. Its totient is φ = 234102312.

The previous prime is 234132917. The next prime is 234132947. The reversal of 234132931 is 139231432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 234132931 - 2⁹ = 234132419 is a prime.

It is a super-2 number, since 2×234132931² = 109636458757301522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234132931.

It is not an unprimeable number, because it can be changed into a prime (234132961) 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, 6886 + ... + 22708.

It is an arithmetic number, because the mean of its divisors is an integer number (58540888).

Almost surely, 2^234132931 is an apocalyptic number.

234132931 is a deficient number, since it is larger than the sum of its proper divisors (30621).

234132931 is a wasteful number, since it uses less digits than its factorization.

234132931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620.

The product of its digits is 3888, while the sum is 28.

The square root of 234132931 is about 15301.4029095374. The cubic root of 234132931 is about 616.3406811109.

The spelling of 234132931 in words is "two hundred thirty-four million, one hundred thirty-two thousand, nine hundred thirty-one".