30431432130 has 32 divisors (see below), whose sum is σ = 79675023168. Its totient is φ = 7377316800.

The previous prime is 30431432123. The next prime is 30431432147. The reversal of 30431432130 is 3123413403.

It is a super-2 number, since 2×30431432130² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30431432130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46107901 + ... + 46108560.

It is an arithmetic number, because the mean of its divisors is an integer number (2489844474).

Almost surely, 2^30431432130 is an apocalyptic number.

30431432130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30431432130 is an abundant number, since it is smaller than the sum of its proper divisors (49243591038).

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

30431432130 is a wasteful number, since it uses less digits than its factorization.

30431432130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92216482.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30431432130 its reverse (3123413403), we get a palindrome (33554845533).

The spelling of 30431432130 in words is "thirty billion, four hundred thirty-one million, four hundred thirty-two thousand, one hundred thirty".