100331132331 has 4 divisors (see below), whose sum is σ = 133774843112. Its totient is φ = 66887421552.

The previous prime is 100331132311. The next prime is 100331132357. The reversal of 100331132331 is 133231133001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100331132331 - 2⁵ = 100331132299 is a prime.

It is a super-2 number, since 2×100331132331² (a number of 23 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 = 100331132298 and 100331132307.

It is not an unprimeable number, because it can be changed into a prime (100331132311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16721855386 + ... + 16721855391.

It is an arithmetic number, because the mean of its divisors is an integer number (33443710778).

Almost surely, 2^100331132331 is an apocalyptic number.

100331132331 is a deficient number, since it is larger than the sum of its proper divisors (33443710781).

100331132331 is an equidigital number, since it uses as much as digits as its factorization.

100331132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33443710780.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 100331132331 its reverse (133231133001), we get a palindrome (233562265332).

The spelling of 100331132331 in words is "one hundred billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred thirty-one".