100131023 has 8 divisors (see below), whose sum is σ = 103509120. Its totient is φ = 96762240.

The previous prime is 100131019. The next prime is 100131049. The reversal of 100131023 is 320131001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100131023 - 2² = 100131019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100130995 and 100131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24683 + ... + 28451.

It is an arithmetic number, because the mean of its divisors is an integer number (12938640).

Almost surely, 2^100131023 is an apocalyptic number.

100131023 is a deficient number, since it is larger than the sum of its proper divisors (3378097).

100131023 is an equidigital number, since it uses as much as digits as its factorization.

100131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 100131023 is about 10006.5490055263. The cubic root of 100131023 is about 464.3615131877.

Adding to 100131023 its reverse (320131001), we get a palindrome (420262024).

The spelling of 100131023 in words is "one hundred million, one hundred thirty-one thousand, twenty-three".