100311334421 has 4 divisors (see below), whose sum is σ = 100614390144. Its totient is φ = 100008278700.

The previous prime is 100311334381. The next prime is 100311334447. The reversal of 100311334421 is 124433113001.

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 100311334421 - 2²² = 100307140117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311337421) 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, 151527365 + ... + 151528026.

It is an arithmetic number, because the mean of its divisors is an integer number (25153597536).

Almost surely, 2^100311334421 is an apocalyptic number.

It is an amenable number.

100311334421 is a deficient number, since it is larger than the sum of its proper divisors (303055723).

100311334421 is an equidigital number, since it uses as much as digits as its factorization.

100311334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303055722.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 100311334421 its reverse (124433113001), we get a palindrome (224744447422).

The spelling of 100311334421 in words is "one hundred billion, three hundred eleven million, three hundred thirty-four thousand, four hundred twenty-one".