100420131 has 8 divisors (see below), whose sum is σ = 153021184. Its totient is φ = 57382920.

The previous prime is 100420097. The next prime is 100420141. The reversal of 100420131 is 131024001.

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 100420131 - 2¹⁰ = 100419107 is a prime.

It is a super-2 number, since 2×100420131² = 20168405420114322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420141) 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, 2390935 + ... + 2390976.

It is an arithmetic number, because the mean of its divisors is an integer number (19127648).

Almost surely, 2^100420131 is an apocalyptic number.

100420131 is a deficient number, since it is larger than the sum of its proper divisors (52601053).

100420131 is an equidigital number, since it uses as much as digits as its factorization.

100420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781921.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100420131 is about 10020.9845324699. The cubic root of 100420131 is about 464.8080002805.

Adding to 100420131 its reverse (131024001), we get a palindrome (231444132).

The spelling of 100420131 in words is "one hundred million, four hundred twenty thousand, one hundred thirty-one".