100311320203 has 4 divisors (see below), whose sum is σ = 100753220520. Its totient is φ = 99869419888.

The previous prime is 100311320201. The next prime is 100311320251. The reversal of 100311320203 is 302023113001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302023113001 = 3049 ⋅99056449.

It is a cyclic number.

It is not a de Polignac number, because 100311320203 - 2¹ = 100311320201 is a prime.

It is a super-2 number, since 2×100311320203² (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 (100311320201) 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, 220949818 + ... + 220950271.

It is an arithmetic number, because the mean of its divisors is an integer number (25188305130).

Almost surely, 2^100311320203 is an apocalyptic number.

100311320203 is a deficient number, since it is larger than the sum of its proper divisors (441900317).

100311320203 is an equidigital number, since it uses as much as digits as its factorization.

100311320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441900316.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100311320203 its reverse (302023113001), we get a palindrome (402334433204).

The spelling of 100311320203 in words is "one hundred billion, three hundred eleven million, three hundred twenty thousand, two hundred three".