231133431314 has 16 divisors (see below), whose sum is σ = 353283775128. Its totient is φ = 113372692992.

The previous prime is 231133431259. The next prime is 231133431317. The reversal of 231133431314 is 413134331132.

It can be written as a sum of positive squares in 4 ways, for example, as 168941550625 + 62191880689 = 411025^2 + 249383^2 .

It is not an unprimeable number, because it can be changed into a prime (231133431317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794114 + ... + 1045410.

Almost surely, 2^231133431314 is an apocalyptic number.

231133431314 is a deficient number, since it is larger than the sum of its proper divisors (122150343814).

231133431314 is a wasteful number, since it uses less digits than its factorization.

231133431314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260029.

The product of its digits is 7776, while the sum is 29.

Adding to 231133431314 its reverse (413134331132), we get a palindrome (644267762446).

The spelling of 231133431314 in words is "two hundred thirty-one billion, one hundred thirty-three million, four hundred thirty-one thousand, three hundred fourteen".