1231413242535 has 48 divisors (see below), whose sum is σ = 2452010343744. Its totient is φ = 560014995456.

The previous prime is 1231413242533. The next prime is 1231413242537. The reversal of 1231413242535 is 5352423141321.

1231413242535 is a `hidden beast` number, since 1 + 231 + 413 + 2 + 4 + 2 + 5 + 3 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1231413242533) and next prime (1231413242537).

It is not a de Polignac number, because 1231413242535 - 2¹ = 1231413242533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231413242535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231413242533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10066792 + ... + 10188381.

It is an arithmetic number, because the mean of its divisors is an integer number (51083548828).

Almost surely, 2^{1231413242535} is an apocalyptic number.

1231413242535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1231413242535 is a deficient number, since it is larger than the sum of its proper divisors (1220597101209).

1231413242535 is a wasteful number, since it uses less digits than its factorization.

1231413242535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255384 (or 20255381 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 1231413242535 its reverse (5352423141321), we get a palindrome (6583836383856).

The spelling of 1231413242535 in words is "one trillion, two hundred thirty-one billion, four hundred thirteen million, two hundred forty-two thousand, five hundred thirty-five".