100120303331 has 16 divisors (see below), whose sum is σ = 107399895840. Its totient is φ = 93042443520.

The previous prime is 100120303303. The next prime is 100120303343. The reversal of 100120303331 is 133303021001.

It is a cyclic number.

It is not a de Polignac number, because 100120303331 - 2³⁰ = 99046561507 is a prime.

It is a super-2 number, since 2×100120303331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120303351) 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, 9219701 + ... + 9230553.

It is an arithmetic number, because the mean of its divisors is an integer number (6712493490).

Almost surely, 2^100120303331 is an apocalyptic number.

100120303331 is a deficient number, since it is larger than the sum of its proper divisors (7279592509).

100120303331 is a wasteful number, since it uses less digits than its factorization.

100120303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20086.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 100120303331 its reverse (133303021001), we get a palindrome (233423324332).

The spelling of 100120303331 in words is "one hundred billion, one hundred twenty million, three hundred three thousand, three hundred thirty-one".