100320021001031 has 8 divisors (see below), whose sum is σ = 114392060146224. Its totient is φ = 87155855349120.

The previous prime is 100320021001027. The next prime is 100320021001037. The reversal of 100320021001031 is 130100120023001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100320021001031 - 2² = 100320021001027 is a prime.

It is a super-2 number, since 2×100320021001031² (a number of 29 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 = 100320021000997 and 100320021001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320021001037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226968373085 + ... + 226968373526.

It is an arithmetic number, because the mean of its divisors is an integer number (14299007518278).

Almost surely, 2^{100320021001031} is an apocalyptic number.

100320021001031 is a deficient number, since it is larger than the sum of its proper divisors (14072039145193).

100320021001031 is a wasteful number, since it uses less digits than its factorization.

100320021001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453936746641.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100320021001031 its reverse (130100120023001), we get a palindrome (230420141024032).

The spelling of 100320021001031 in words is "one hundred trillion, three hundred twenty billion, twenty-one million, one thousand, thirty-one".