100001232331 has 32 divisors (see below), whose sum is σ = 136158575616. Its totient is φ = 70915824000.

The previous prime is 100001232299. The next prime is 100001232343. The reversal of 100001232331 is 133232100001.

It is not a de Polignac number, because 100001232331 - 2⁵ = 100001232299 is a prime.

It is a super-2 number, since 2×100001232331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100001232131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632460 + ... + 774601.

It is an arithmetic number, because the mean of its divisors is an integer number (4254955488).

Almost surely, 2^100001232331 is an apocalyptic number.

100001232331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100001232331 is a deficient number, since it is larger than the sum of its proper divisors (36157343285).

100001232331 is a wasteful number, since it uses less digits than its factorization.

100001232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407163.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100001232331 its reverse (133232100001), we get a palindrome (233233332332).

The spelling of 100001232331 in words is "one hundred billion, one million, two hundred thirty-two thousand, three hundred thirty-one".