234431402 has 8 divisors (see below), whose sum is σ = 358282116. Its totient is φ = 115004032.

The previous prime is 234431369. The next prime is 234431413. The reversal of 234431402 is 204134432.

It can be written as a sum of positive squares in 2 ways, for example, as 218182441 + 16248961 = 14771^2 + 4031^2 .

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

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, 1105703 + ... + 1105914.

Almost surely, 2^234431402 is an apocalyptic number.

234431402 is a deficient number, since it is larger than the sum of its proper divisors (123850714).

234431402 is a wasteful number, since it uses less digits than its factorization.

234431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211672.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 234431402 is about 15311.1528631909. The cubic root of 234431402 is about 616.6024721424.

Adding to 234431402 its reverse (204134432), we get a palindrome (438565834).

The spelling of 234431402 in words is "two hundred thirty-four million, four hundred thirty-one thousand, four hundred two".