100331020401 has 16 divisors (see below), whose sum is σ = 134081611200. Its totient is φ = 66733976768.

The previous prime is 100331020381. The next prime is 100331020403. The reversal of 100331020401 is 104020133001.

It is a cyclic number.

It is not a de Polignac number, because 100331020401 - 2⁵ = 100331020369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100331020403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5578315 + ... + 5596271.

It is an arithmetic number, because the mean of its divisors is an integer number (8380100700).

Almost surely, 2^100331020401 is an apocalyptic number.

It is an amenable number.

100331020401 is a deficient number, since it is larger than the sum of its proper divisors (33750590799).

100331020401 is a wasteful number, since it uses less digits than its factorization.

100331020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100331020401 its reverse (104020133001), we get a palindrome (204351153402).

The spelling of 100331020401 in words is "one hundred billion, three hundred thirty-one million, twenty thousand, four hundred one".