1231451324425 has 48 divisors (see below), whose sum is σ = 1770783305472. Its totient is φ = 832039603200.

The previous prime is 1231451324407. The next prime is 1231451324443. The reversal of 1231451324425 is 5244231541321.

It is an interprime number because it is at equal distance from previous prime (1231451324407) and next prime (1231451324443).

It is not a de Polignac number, because 1231451324425 - 2⁹ = 1231451323913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13124277 + ... + 13217773.

It is an arithmetic number, because the mean of its divisors is an integer number (36891318864).

Almost surely, 2^{1231451324425} is an apocalyptic number.

It is an amenable number.

1231451324425 is a deficient number, since it is larger than the sum of its proper divisors (539331981047).

1231451324425 is a wasteful number, since it uses less digits than its factorization.

1231451324425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94618 (or 94613 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

Adding to 1231451324425 its reverse (5244231541321), we get a palindrome (6475682865746).

The spelling of 1231451324425 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-one million, three hundred twenty-four thousand, four hundred twenty-five".