100322021031131 has 4 divisors (see below), whose sum is σ = 100341512394552. Its totient is φ = 100302529667712.

The previous prime is 100322021031109. The next prime is 100322021031137. The reversal of 100322021031131 is 131130120223001.

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 100322021031131 - 2¹⁸ = 100322020768987 is a prime.

It is a super-2 number, since 2×100322021031131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100322021031137) 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, 9745673990 + ... + 9745684283.

It is an arithmetic number, because the mean of its divisors is an integer number (25085378098638).

Almost surely, 2^{100322021031131} is an apocalyptic number.

100322021031131 is a deficient number, since it is larger than the sum of its proper divisors (19491363421).

100322021031131 is an equidigital number, since it uses as much as digits as its factorization.

100322021031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19491363420.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 100322021031131 its reverse (131130120223001), we get a palindrome (231452141254132).

The spelling of 100322021031131 in words is "one hundred trillion, three hundred twenty-two billion, twenty-one million, thirty-one thousand, one hundred thirty-one".