231032434 has 4 divisors (see below), whose sum is σ = 346548654. Its totient is φ = 115516216.

The previous prime is 231032413. The next prime is 231032467. The reversal of 231032434 is 434230132.

It is a happy number.

231032434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124880625 + 106151809 = 11175^2 + 10303^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57758107 + ... + 57758110.

Almost surely, 2^231032434 is an apocalyptic number.

231032434 is a deficient number, since it is larger than the sum of its proper divisors (115516220).

231032434 is a wasteful number, since it uses less digits than its factorization.

231032434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115516219.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 231032434 is about 15199.7511163835. The cubic root of 231032434 is about 613.6079595475.

Adding to 231032434 its reverse (434230132), we get a palindrome (665262566).

The spelling of 231032434 in words is "two hundred thirty-one million, thirty-two thousand, four hundred thirty-four".