100023312331213 has 4 divisors (see below), whose sum is σ = 100061099758240. Its totient is φ = 99985524904188.

The previous prime is 100023312331183. The next prime is 100023312331219. The reversal of 100023312331213 is 312133213320001.

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 a cyclic number.

It is not a de Polignac number, because 100023312331213 - 2²⁵ = 100023278776781 is a prime.

It is a super-2 number, since 2×100023312331213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023312331219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18893709543 + ... + 18893714836.

It is an arithmetic number, because the mean of its divisors is an integer number (25015274939560).

Almost surely, 2^{100023312331213} is an apocalyptic number.

It is an amenable number.

100023312331213 is a deficient number, since it is larger than the sum of its proper divisors (37787427027).

100023312331213 is an equidigital number, since it uses as much as digits as its factorization.

100023312331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37787427026.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 100023312331213 its reverse (312133213320001), we get a palindrome (412156525651214).

The spelling of 100023312331213 in words is "one hundred trillion, twenty-three billion, three hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".