100315022443 has 4 divisors (see below), whose sum is σ = 100339937080. Its totient is φ = 100290107808.

The previous prime is 100315022429. The next prime is 100315022449. The reversal of 100315022443 is 344220513001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344220513001 = 101879 ⋅3378719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100315022443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100315022449) 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, 12451278 + ... + 12459331.

It is an arithmetic number, because the mean of its divisors is an integer number (25084984270).

Almost surely, 2^100315022443 is an apocalyptic number.

100315022443 is a deficient number, since it is larger than the sum of its proper divisors (24914637).

100315022443 is an equidigital number, since it uses as much as digits as its factorization.

100315022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24914636.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 100315022443 its reverse (344220513001), we get a palindrome (444535535444).

The spelling of 100315022443 in words is "one hundred billion, three hundred fifteen million, twenty-two thousand, four hundred forty-three".