231403034 has 12 divisors (see below), whose sum is σ = 358665642. Its totient is φ = 111968280.

The previous prime is 231403021. The next prime is 231403037. The reversal of 231403034 is 430304132.

It can be written as a sum of positive squares in only one way, i.e., 163916809 + 67486225 = 12803^2 + 8215^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231402997 and 231403015.

It is not an unprimeable number, because it can be changed into a prime (231403037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58277 + ... + 62120.

Almost surely, 2^231403034 is an apocalyptic number.

231403034 is a deficient number, since it is larger than the sum of its proper divisors (127262608).

231403034 is a wasteful number, since it uses less digits than its factorization.

231403034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120461 (or 120430 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 231403034 is about 15211.9372204858. The cubic root of 231403034 is about 613.9358812184.

Adding to 231403034 its reverse (430304132), we get a palindrome (661707166).

The spelling of 231403034 in words is "two hundred thirty-one million, four hundred three thousand, thirty-four".