100252431 has 8 divisors (see below), whose sum is σ = 148522160. Its totient is φ = 66834936.

The previous prime is 100252429. The next prime is 100252459. The reversal of 100252431 is 134252001.

It is not a de Polignac number, because 100252431 - 2¹ = 100252429 is a prime.

It is a super-2 number, since 2×100252431² = 20101099842819522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100252631) 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, 1856500 + ... + 1856553.

It is an arithmetic number, because the mean of its divisors is an integer number (18565270).

Almost surely, 2^100252431 is an apocalyptic number.

100252431 is a deficient number, since it is larger than the sum of its proper divisors (48269729).

100252431 is an equidigital number, since it uses as much as digits as its factorization.

100252431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713062 (or 3713056 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100252431 is about 10012.6135948612. The cubic root of 100252431 is about 464.5491154932.

The spelling of 100252431 in words is "one hundred million, two hundred fifty-two thousand, four hundred thirty-one".