231134404 has 6 divisors (see below), whose sum is σ = 404485214. Its totient is φ = 115567200.

The previous prime is 231134377. The next prime is 231134441. The reversal of 231134404 is 404431132.

231134404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 105021504 = 11230^2 + 10248^2 .

It is a super-2 number, since 2×231134404² = 106846225424870432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28891797 + ... + 28891804.

Almost surely, 2^231134404 is an apocalyptic number.

It is an amenable number.

231134404 is a deficient number, since it is larger than the sum of its proper divisors (173350810).

231134404 is a wasteful number, since it uses less digits than its factorization.

231134404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57783605 (or 57783603 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 231134404 is about 15203.1050775820. The cubic root of 231134404 is about 613.6982216223.

Adding to 231134404 its reverse (404431132), we get a palindrome (635565536).

The spelling of 231134404 in words is "two hundred thirty-one million, one hundred thirty-four thousand, four hundred four".