101240342013 has 4 divisors (see below), whose sum is σ = 134987122688. Its totient is φ = 67493561340.

The previous prime is 101240341999. The next prime is 101240342053. The reversal of 101240342013 is 310243042101.

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 not a de Polignac number, because 101240342013 - 2⁶ = 101240341949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240342053) 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, 16873390333 + ... + 16873390338.

It is an arithmetic number, because the mean of its divisors is an integer number (33746780672).

Almost surely, 2^101240342013 is an apocalyptic number.

It is an amenable number.

101240342013 is a deficient number, since it is larger than the sum of its proper divisors (33746780675).

101240342013 is an equidigital number, since it uses as much as digits as its factorization.

101240342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33746780674.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101240342013 its reverse (310243042101), we get a palindrome (411483384114).

The spelling of 101240342013 in words is "one hundred one billion, two hundred forty million, three hundred forty-two thousand, thirteen".