231404733330 has 64 divisors (see below), whose sum is σ = 564650431488. Its totient is φ = 60680157120.

The previous prime is 231404733319. The next prime is 231404733379. The reversal of 231404733330 is 33337404132.

It is a junction number, because it is equal to n+sod(n) for n = 231404733291 and 231404733300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046899 + ... + 1248521.

It is an arithmetic number, because the mean of its divisors is an integer number (8822662992).

Almost surely, 2^231404733330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231404733330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282325215744).

231404733330 is an abundant number, since it is smaller than the sum of its proper divisors (333245698158).

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

231404733330 is a wasteful number, since it uses less digits than its factorization.

231404733330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202271.

The product of its (nonzero) digits is 54432, while the sum is 33.

The spelling of 231404733330 in words is "two hundred thirty-one billion, four hundred four million, seven hundred thirty-three thousand, three hundred thirty".