142310013 has 4 divisors (see below), whose sum is σ = 189746688. Its totient is φ = 94873340.

The previous prime is 142309997. The next prime is 142310017. The reversal of 142310013 is 310013241.

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 not a de Polignac number, because 142310013 - 2⁴ = 142309997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142309974 and 142310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142310017) 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, 23718333 + ... + 23718338.

It is an arithmetic number, because the mean of its divisors is an integer number (47436672).

Almost surely, 2^142310013 is an apocalyptic number.

It is an amenable number.

142310013 is a deficient number, since it is larger than the sum of its proper divisors (47436675).

142310013 is an equidigital number, since it uses as much as digits as its factorization.

142310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47436674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142310013 is about 11929.3760524178. The cubic root of 142310013 is about 522.0897329627.

Adding to 142310013 its reverse (310013241), we get a palindrome (452323254).

The spelling of 142310013 in words is "one hundred forty-two million, three hundred ten thousand, thirteen".