231003434 has 4 divisors (see below), whose sum is σ = 346505154. Its totient is φ = 115501716.

The previous prime is 231003431. The next prime is 231003457. The reversal of 231003434 is 434300132.

231003434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 229674025 + 1329409 = 15155^2 + 1153^2 .

It is not an unprimeable number, because it can be changed into a prime (231003431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57750857 + ... + 57750860.

Almost surely, 2^231003434 is an apocalyptic number.

231003434 is a deficient number, since it is larger than the sum of its proper divisors (115501720).

231003434 is a wasteful number, since it uses less digits than its factorization.

231003434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115501719.

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

The square root of 231003434 is about 15198.7971234568. The cubic root of 231003434 is about 613.5822844001.

Adding to 231003434 its reverse (434300132), we get a palindrome (665303566).

The spelling of 231003434 in words is "two hundred thirty-one million, three thousand, four hundred thirty-four".