1231340104524 has 12 divisors (see below), whose sum is σ = 2873126910584. Its totient is φ = 410446701504.

The previous prime is 1231340104507. The next prime is 1231340104549. The reversal of 1231340104524 is 4254010431321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1231340104491 and 1231340104500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51305837677 + ... + 51305837700.

Almost surely, 2^{1231340104524} is an apocalyptic number.

It is an amenable number.

1231340104524 is an abundant number, since it is smaller than the sum of its proper divisors (1641786806060).

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

1231340104524 is a wasteful number, since it uses less digits than its factorization.

1231340104524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102611675384 (or 102611675382 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1231340104524 its reverse (4254010431321), we get a palindrome (5485350535845).

The spelling of 1231340104524 in words is "one trillion, two hundred thirty-one billion, three hundred forty million, one hundred four thousand, five hundred twenty-four".