31434230430 has 48 divisors (see below), whose sum is σ = 81858669984. Its totient is φ = 8369161920.

The previous prime is 31434230419. The next prime is 31434230437. The reversal of 31434230430 is 3403243413.

31434230430 is a `hidden beast` number, since 3 + 14 + 342 + 304 + 3 + 0 = 666.

It is a super-2 number, since 2×31434230430² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31434230394 and 31434230403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434230437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219969 + ... + 333548.

It is an arithmetic number, because the mean of its divisors is an integer number (1705388958).

Almost surely, 2^31434230430 is an apocalyptic number.

31434230430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31434230430 is an abundant number, since it is smaller than the sum of its proper divisors (50424439554).

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

31434230430 is a wasteful number, since it uses less digits than its factorization.

31434230430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554161 (or 554158 counting only the distinct ones).

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

Adding to 31434230430 its reverse (3403243413), we get a palindrome (34837473843).

The spelling of 31434230430 in words is "thirty-one billion, four hundred thirty-four million, two hundred thirty thousand, four hundred thirty".