101031212113 has 16 divisors (see below), whose sum is σ = 110913445440. Its totient is φ = 91462764096.

The previous prime is 101031212083. The next prime is 101031212153. The reversal of 101031212113 is 311212130101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101031212113 - 2²⁵ = 100997657681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101031212153) 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, 57778 + ... + 453211.

It is an arithmetic number, because the mean of its divisors is an integer number (6932090340).

Almost surely, 2^101031212113 is an apocalyptic number.

101031212113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101031212113 is a deficient number, since it is larger than the sum of its proper divisors (9882233327).

101031212113 is a wasteful number, since it uses less digits than its factorization.

101031212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511296.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101031212113 its reverse (311212130101), we get a palindrome (412243342214).

The spelling of 101031212113 in words is "one hundred one billion, thirty-one million, two hundred twelve thousand, one hundred thirteen".