231403431302 has 8 divisors (see below), whose sum is σ = 347388965136. Its totient is φ = 115607109592.

The previous prime is 231403431251. The next prime is 231403431307. The reversal of 231403431302 is 203134304132.

231403431302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231403431307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47299973 + ... + 47304864.

It is an arithmetic number, because the mean of its divisors is an integer number (43423620642).

Almost surely, 2^231403431302 is an apocalyptic number.

231403431302 is a deficient number, since it is larger than the sum of its proper divisors (115985533834).

231403431302 is a wasteful number, since it uses less digits than its factorization.

231403431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94606062.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231403431302 its reverse (203134304132), we get a palindrome (434537735434).

The spelling of 231403431302 in words is "two hundred thirty-one billion, four hundred three million, four hundred thirty-one thousand, three hundred two".