231313434 has 32 divisors (see below), whose sum is σ = 505612800. Its totient is φ = 69966000.

The previous prime is 231313417. The next prime is 231313457. The reversal of 231313434 is 434313132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36609 + ... + 42459.

It is an arithmetic number, because the mean of its divisors is an integer number (15800400).

Almost surely, 2^231313434 is an apocalyptic number.

231313434 is an abundant number, since it is smaller than the sum of its proper divisors (274299366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231313434 is a wasteful number, since it uses less digits than its factorization.

231313434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466.

The product of its digits is 2592, while the sum is 24.

The square root of 231313434 is about 15208.9918798058. The cubic root of 231313434 is about 613.8566316721.

Adding to 231313434 its reverse (434313132), we get a palindrome (665626566).

It can be divided in two parts, 23131 and 3434, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 231313434 in words is "two hundred thirty-one million, three hundred thirteen thousand, four hundred thirty-four".