1231325432424 has 96 divisors (see below), whose sum is σ = 3350311398720. Its totient is φ = 408538457088.

The previous prime is 1231325432419. The next prime is 1231325432429. The reversal of 1231325432424 is 4242345231321.

1231325432424 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 325 + 4 + 324 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1231325432419) and next prime (1231325432429).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1231325432429) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 121872157 + ... + 121882259.

It is an arithmetic number, because the mean of its divisors is an integer number (34899077070).

Almost surely, 2^{1231325432424} is an apocalyptic number.

It is an amenable number.

1231325432424 is an abundant number, since it is smaller than the sum of its proper divisors (2118985966296).

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

1231325432424 is a wasteful number, since it uses less digits than its factorization.

1231325432424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17799 (or 17792 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The spelling of 1231325432424 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-five million, four hundred thirty-two thousand, four hundred twenty-four".