231010402 has 12 divisors (see below), whose sum is σ = 403089750. Its totient is φ = 99004416.

The previous prime is 231010393. The next prime is 231010421. The reversal of 231010402 is 204010132.

231010402 is digitally balanced in base 3, 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., 120318961 + 110691441 = 10969^2 + 10521^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1178527 + ... + 1178722.

Almost surely, 2^231010402 is an apocalyptic number.

231010402 is a deficient number, since it is larger than the sum of its proper divisors (172079348).

231010402 is a wasteful number, since it uses less digits than its factorization.

231010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357265 (or 2357258 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 231010402 is about 15199.0263503949. The cubic root of 231010402 is about 613.5884537144.

Adding to 231010402 its reverse (204010132), we get a palindrome (435020534).

The spelling of 231010402 in words is "two hundred thirty-one million, ten thousand, four hundred two".