100320022031 has 4 divisors (see below), whose sum is σ = 100338324072. Its totient is φ = 100301719992.

The previous prime is 100320022027. The next prime is 100320022037. The reversal of 100320022031 is 130220023001.

It is a happy number.

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 100320022031 - 2² = 100320022027 is a prime.

It is a super-2 number, since 2×100320022031² (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 = 100320021997 and 100320022015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320022037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9142796 + ... + 9153761.

It is an arithmetic number, because the mean of its divisors is an integer number (25084581018).

Almost surely, 2^100320022031 is an apocalyptic number.

100320022031 is a deficient number, since it is larger than the sum of its proper divisors (18302041).

100320022031 is an equidigital number, since it uses as much as digits as its factorization.

100320022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302040.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100320022031 its reverse (130220023001), we get a palindrome (230540045032).

The spelling of 100320022031 in words is "one hundred billion, three hundred twenty million, twenty-two thousand, thirty-one".