100250431 has 2 divisors, whose sum is σ = 100250432. Its totient is φ = 100250430.

The previous prime is 100250417. The next prime is 100250489. The reversal of 100250431 is 134052001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100250431 - 2¹¹ = 100248383 is a prime.

It is a super-2 number, since 2×100250431² = 20100297831371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100250231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50125215 + 50125216.

It is an arithmetic number, because the mean of its divisors is an integer number (50125216).

Almost surely, 2^100250431 is an apocalyptic number.

100250431 is a deficient number, since it is larger than the sum of its proper divisors (1).

100250431 is an equidigital number, since it uses as much as digits as its factorization.

100250431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100250431 is about 10012.5137203402. The cubic root of 100250431 is about 464.5460262767.

The spelling of 100250431 in words is "one hundred million, two hundred fifty thousand, four hundred thirty-one".