100220301031 has 4 divisors (see below), whose sum is σ = 100221833152. Its totient is φ = 100218768912.

The previous prime is 100220301023. The next prime is 100220301061. The reversal of 100220301031 is 130103022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100220301031 - 2³ = 100220301023 is a prime.

It is a super-2 number, since 2×100220301031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220301001) 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, 663351 + ... + 800296.

It is an arithmetic number, because the mean of its divisors is an integer number (25055458288).

Almost surely, 2^100220301031 is an apocalyptic number.

100220301031 is a deficient number, since it is larger than the sum of its proper divisors (1532121).

100220301031 is an equidigital number, since it uses as much as digits as its factorization.

100220301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532120.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100220301031 its reverse (130103022001), we get a palindrome (230323323032).

The spelling of 100220301031 in words is "one hundred billion, two hundred twenty million, three hundred one thousand, thirty-one".