231403421334 has 8 divisors (see below), whose sum is σ = 462806842680. Its totient is φ = 77134473776.

The previous prime is 231403421329. The next prime is 231403421357. The reversal of 231403421334 is 433124304132.

It is a happy number.

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

231403421334 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19283618439 + ... + 19283618450.

It is an arithmetic number, because the mean of its divisors is an integer number (57850855335).

Almost surely, 2^231403421334 is an apocalyptic number.

231403421334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231403421334 is a wasteful number, since it uses less digits than its factorization.

231403421334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38567236894.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 231403421334 its reverse (433124304132), we get a palindrome (664527725466).

The spelling of 231403421334 in words is "two hundred thirty-one billion, four hundred three million, four hundred twenty-one thousand, three hundred thirty-four".