100533201331 has 4 divisors (see below), whose sum is σ = 101528579664. Its totient is φ = 99537823000.

The previous prime is 100533201317. The next prime is 100533201389. The reversal of 100533201331 is 133102335001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133102335001 = 101 ⋅1317844901.

It is not a de Polignac number, because 100533201331 - 2⁷ = 100533201203 is a prime.

It is a super-2 number, since 2×100533201331² (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 (100533201031) 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, 497689015 + ... + 497689216.

It is an arithmetic number, because the mean of its divisors is an integer number (25382144916).

Almost surely, 2^100533201331 is an apocalyptic number.

100533201331 is a deficient number, since it is larger than the sum of its proper divisors (995378333).

100533201331 is an equidigital number, since it uses as much as digits as its factorization.

100533201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995378332.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 100533201331 its reverse (133102335001), we get a palindrome (233635536332).

The spelling of 100533201331 in words is "one hundred billion, five hundred thirty-three million, two hundred one thousand, three hundred thirty-one".