100220313331 has 4 divisors (see below), whose sum is σ = 100220976000. Its totient is φ = 100219650664.

The previous prime is 100220313311. The next prime is 100220313341. The reversal of 100220313331 is 133313022001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133313022001 = 13457 ⋅9906593.

It is a cyclic number.

It is not a de Polignac number, because 100220313331 - 2¹¹ = 100220311283 is a prime.

It is a super-2 number, since 2×100220313331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220313299 and 100220313308.

It is not an unprimeable number, because it can be changed into a prime (100220313301) 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, 18990 + ... + 448108.

It is an arithmetic number, because the mean of its divisors is an integer number (25055244000).

Almost surely, 2^100220313331 is an apocalyptic number.

100220313331 is a deficient number, since it is larger than the sum of its proper divisors (662669).

100220313331 is an equidigital number, since it uses as much as digits as its factorization.

100220313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662668.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100220313331 its reverse (133313022001), we get a palindrome (233533335332).

The spelling of 100220313331 in words is "one hundred billion, two hundred twenty million, three hundred thirteen thousand, three hundred thirty-one".