231403322430 has 96 divisors (see below), whose sum is σ = 689809955328. Its totient is φ = 52722072000.

The previous prime is 231403322399. The next prime is 231403322453. The reversal of 231403322430 is 34223304132.

231403322430 is a `hidden beast` number, since 2 + 3 + 1 + 403 + 3 + 224 + 30 = 666.

It is a super-2 number, since 2×231403322430² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231403322394 and 231403322403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394596 + ... + 786455.

It is an arithmetic number, because the mean of its divisors is an integer number (7185520368).

Almost surely, 2^231403322430 is an apocalyptic number.

231403322430 is an abundant number, since it is smaller than the sum of its proper divisors (458406632898).

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

231403322430 is a wasteful number, since it uses less digits than its factorization.

231403322430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181382 (or 1181379 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 231403322430 its reverse (34223304132), we get a palindrome (265626626562).

The spelling of 231403322430 in words is "two hundred thirty-one billion, four hundred three million, three hundred twenty-two thousand, four hundred thirty".