12431503530 has 48 divisors (see below), whose sum is σ = 32343217920. Its totient is φ = 3312882144.

The previous prime is 12431503499. The next prime is 12431503531. The reversal of 12431503530 is 3530513421.

12431503530 is a `hidden beast` number, since 124 + 3 + 1 + 5 + 0 + 3 + 530 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12431503494 and 12431503503.

It is not an unprimeable number, because it can be changed into a prime (12431503531) 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, 94111 + ... + 183629.

It is an arithmetic number, because the mean of its divisors is an integer number (673817040).

Almost surely, 2^12431503530 is an apocalyptic number.

12431503530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12431503530 is an abundant number, since it is smaller than the sum of its proper divisors (19911714390).

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

12431503530 is a wasteful number, since it uses less digits than its factorization.

12431503530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91075 (or 91072 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 12431503530 in words is "twelve billion, four hundred thirty-one million, five hundred three thousand, five hundred thirty".