100313213021 has 8 divisors (see below), whose sum is σ = 116983339200. Its totient is φ = 85982753724.

The previous prime is 100313213009. The next prime is 100313213051. The reversal of 100313213021 is 120312313001.

It is not a de Polignac number, because 100313213021 - 2¹⁴ = 100313196637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313213051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146228831 + ... + 146229516.

It is an arithmetic number, because the mean of its divisors is an integer number (14622917400).

Almost surely, 2^100313213021 is an apocalyptic number.

It is an amenable number.

100313213021 is a deficient number, since it is larger than the sum of its proper divisors (16670126179).

100313213021 is an frugal number, since it uses more digits than its factorization.

100313213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292458368 (or 292458354 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100313213021 its reverse (120312313001), we get a palindrome (220625526022).

The spelling of 100313213021 in words is "one hundred billion, three hundred thirteen million, two hundred thirteen thousand, twenty-one".