100231020113331 has 16 divisors (see below), whose sum is σ = 133969887918720. Its totient is φ = 66656420525760.

The previous prime is 100231020113309. The next prime is 100231020113339. The reversal of 100231020113331 is 133311020132001.

It is a happy number.

It is not a de Polignac number, because 100231020113331 - 2⁵ = 100231020113299 is a prime.

It is a super-3 number, since 3×100231020113331³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 100231020113298 and 100231020113307.

It is not an unprimeable number, because it can be changed into a prime (100231020113339) 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, 99577036 + ... + 100578566.

It is an arithmetic number, because the mean of its divisors is an integer number (8373117994920).

Almost surely, 2^{100231020113331} is an apocalyptic number.

100231020113331 is a deficient number, since it is larger than the sum of its proper divisors (33738867805389).

100231020113331 is a wasteful number, since it uses less digits than its factorization.

100231020113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083506.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 100231020113331 its reverse (133311020132001), we get a palindrome (233542040245332).

The spelling of 100231020113331 in words is "one hundred trillion, two hundred thirty-one billion, twenty million, one hundred thirteen thousand, three hundred thirty-one".