101240013 has 16 divisors (see below), whose sum is σ = 154558976. Its totient is φ = 57743280.

The previous prime is 101239979. The next prime is 101240023. The reversal of 101240013 is 310042101.

It is a happy number.

It is not a de Polignac number, because 101240013 - 2⁶ = 101239949 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 (101240023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7770 + ... + 16212.

It is an arithmetic number, because the mean of its divisors is an integer number (9659936).

Almost surely, 2^101240013 is an apocalyptic number.

It is an amenable number.

101240013 is a deficient number, since it is larger than the sum of its proper divisors (53318963).

101240013 is an equidigital number, since it uses as much as digits as its factorization.

101240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101240013 is about 10061.8096284913. The cubic root of 101240013 is about 466.0695509788.

Adding to 101240013 its reverse (310042101), we get a palindrome (411282114).

The spelling of 101240013 in words is "one hundred one million, two hundred forty thousand, thirteen".