142315205031013 has 4 divisors (see below), whose sum is σ = 162645948606880. Its totient is φ = 121984461455148.

The previous prime is 142315205031007. The next prime is 142315205031017. The reversal of 142315205031013 is 310130502513241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142315205031013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142315205031017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10165371787923 + ... + 10165371787936.

It is an arithmetic number, because the mean of its divisors is an integer number (40661487151720).

Almost surely, 2^{142315205031013} is an apocalyptic number.

It is an amenable number.

142315205031013 is a deficient number, since it is larger than the sum of its proper divisors (20330743575867).

142315205031013 is an equidigital number, since it uses as much as digits as its factorization.

142315205031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20330743575866.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 142315205031013 its reverse (310130502513241), we get a palindrome (452445707544254).

The spelling of 142315205031013 in words is "one hundred forty-two trillion, three hundred fifteen billion, two hundred five million, thirty-one thousand, thirteen".