231402314430 has 128 divisors (see below), whose sum is σ = 705930854400. Its totient is φ = 52839101952.

The previous prime is 231402314419. The next prime is 231402314483. The reversal of 231402314430 is 34413204132.

231402314430 is a `hidden beast` number, since 2 + 314 + 0 + 2 + 314 + 4 + 30 = 666.

It is a super-2 number, since 2×231402314430² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231402314394 and 231402314403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1846339 + ... + 1967681.

It is an arithmetic number, because the mean of its divisors is an integer number (5515084800).

Almost surely, 2^231402314430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231402314430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352965427200).

231402314430 is an abundant number, since it is smaller than the sum of its proper divisors (474528539970).

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

231402314430 is a wasteful number, since it uses less digits than its factorization.

231402314430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122375 (or 122369 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 231402314430 its reverse (34413204132), we get a palindrome (265815518562).

The spelling of 231402314430 in words is "two hundred thirty-one billion, four hundred two million, three hundred fourteen thousand, four hundred thirty".