20131300242431 has 8 divisors (see below), whose sum is σ = 23496715176960. Its totient is φ = 16888264032888.

The previous prime is 20131300242377. The next prime is 20131300242439. The reversal of 20131300242431 is 13424200313102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20131300242431 - 2¹⁰ = 20131300241407 is a prime.

It is a super-2 number, since 2×20131300242431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20131300242431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131300242439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30594680891 + ... + 30594681548.

It is an arithmetic number, because the mean of its divisors is an integer number (2937089397120).

Almost surely, 2^{20131300242431} is an apocalyptic number.

20131300242431 is a deficient number, since it is larger than the sum of its proper divisors (3365414934529).

20131300242431 is an equidigital number, since it uses as much as digits as its factorization.

20131300242431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61189362493.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20131300242431 its reverse (13424200313102), we get a palindrome (33555500555533).

The spelling of 20131300242431 in words is "twenty trillion, one hundred thirty-one billion, three hundred million, two hundred forty-two thousand, four hundred thirty-one".