100313400433021 has 4 divisors (see below), whose sum is σ = 101583190312000. Its totient is φ = 99043610554044.

The previous prime is 100313400432983. The next prime is 100313400433069. The reversal of 100313400433021 is 120334004313001.

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 100313400433021 - 2²³ = 100313392044413 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 (100313400433721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634894939371 + ... + 634894939528.

It is an arithmetic number, because the mean of its divisors is an integer number (25395797578000).

Almost surely, 2^{100313400433021} is an apocalyptic number.

It is an amenable number.

100313400433021 is a deficient number, since it is larger than the sum of its proper divisors (1269789878979).

100313400433021 is an equidigital number, since it uses as much as digits as its factorization.

100313400433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269789878978.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 100313400433021 its reverse (120334004313001), we get a palindrome (220647404746022).

The spelling of 100313400433021 in words is "one hundred trillion, three hundred thirteen billion, four hundred million, four hundred thirty-three thousand, twenty-one".