100311634489 has 4 divisors (see below), whose sum is σ = 109430874000. Its totient is φ = 91192394980.

The previous prime is 100311634483. The next prime is 100311634531. The reversal of 100311634489 is 984436113001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 984436113001 = 11 ⋅89494192091.

It is a cyclic number.

It is not a de Polignac number, because 100311634489 - 2¹⁹ = 100311110201 is a prime.

It is a super-2 number, since 2×100311634489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100311634483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4559619739 + ... + 4559619760.

It is an arithmetic number, because the mean of its divisors is an integer number (27357718500).

Almost surely, 2^100311634489 is an apocalyptic number.

It is an amenable number.

100311634489 is a deficient number, since it is larger than the sum of its proper divisors (9119239511).

100311634489 is an equidigital number, since it uses as much as digits as its factorization.

100311634489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119239510.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 100311634489 in words is "one hundred billion, three hundred eleven million, six hundred thirty-four thousand, four hundred eighty-nine".