12431503242 has 16 divisors (see below), whose sum is σ = 27625562880. Its totient is φ = 4143834396.

The previous prime is 12431503129. The next prime is 12431503307. The reversal of 12431503242 is 24230513421.

12431503242 is a `hidden beast` number, since 1 + 24 + 315 + 0 + 324 + 2 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115106458 + ... + 115106565.

It is an arithmetic number, because the mean of its divisors is an integer number (1726597680).

Almost surely, 2^12431503242 is an apocalyptic number.

12431503242 is an abundant number, since it is smaller than the sum of its proper divisors (15194059638).

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

12431503242 is a wasteful number, since it uses less digits than its factorization.

12431503242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230213034 (or 230213028 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 12431503242 in words is "twelve billion, four hundred thirty-one million, five hundred three thousand, two hundred forty-two".