100313013021 has 16 divisors (see below), whose sum is σ = 145138741440. Its totient is φ = 61259852160.

The previous prime is 100313013019. The next prime is 100313013029. The reversal of 100313013021 is 120310313001.

It is not a de Polignac number, because 100313013021 - 2¹ = 100313013019 is a prime.

It is a super-3 number, since 3×100313013021³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313013029) 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, 9812176 + ... + 9822393.

It is an arithmetic number, because the mean of its divisors is an integer number (9071171340).

Almost surely, 2^100313013021 is an apocalyptic number.

It is an amenable number.

100313013021 is a deficient number, since it is larger than the sum of its proper divisors (44825728419).

100313013021 is a wasteful number, since it uses less digits than its factorization.

100313013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19634716.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 100313013021 its reverse (120310313001), we get a palindrome (220623326022).

The spelling of 100313013021 in words is "one hundred billion, three hundred thirteen million, thirteen thousand, twenty-one".