231403421333 has 8 divisors (see below), whose sum is σ = 268943444160. Its totient is φ = 194983996320.

The previous prime is 231403421329. The next prime is 231403421357. The reversal of 231403421333 is 333124304132.

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

It is a cyclic number.

It is not a de Polignac number, because 231403421333 - 2² = 231403421329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231403421296 and 231403421305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231403421393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280149008 + ... + 280149833.

It is an arithmetic number, because the mean of its divisors is an integer number (33617930520).

Almost surely, 2^231403421333 is an apocalyptic number.

It is an amenable number.

231403421333 is a deficient number, since it is larger than the sum of its proper divisors (37540022827).

231403421333 is an equidigital number, since it uses as much as digits as its factorization.

231403421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560298907.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231403421333 its reverse (333124304132), we get a palindrome (564527725465).

The spelling of 231403421333 in words is "two hundred thirty-one billion, four hundred three million, four hundred twenty-one thousand, three hundred thirty-three".