100523031 has 8 divisors (see below), whose sum is σ = 153177984. Its totient is φ = 57441720.

The previous prime is 100523009. The next prime is 100523039. The reversal of 100523031 is 130325001.

It is a happy number.

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

It is not a de Polignac number, because 100523031 - 2⁶ = 100522967 is a prime.

It is a super-2 number, since 2×100523031² = 20209759522853922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100523031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100523039) 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, 2393385 + ... + 2393426.

It is an arithmetic number, because the mean of its divisors is an integer number (19147248).

Almost surely, 2^100523031 is an apocalyptic number.

100523031 is a deficient number, since it is larger than the sum of its proper divisors (52654953).

100523031 is an equidigital number, since it uses as much as digits as its factorization.

100523031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786821.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 100523031 is about 10026.1174439561. The cubic root of 100523031 is about 464.9667082189.

Adding to 100523031 its reverse (130325001), we get a palindrome (230848032).

The spelling of 100523031 in words is "one hundred million, five hundred twenty-three thousand, thirty-one".