100431007 has 2 divisors, whose sum is σ = 100431008. Its totient is φ = 100431006.

The previous prime is 100430977. The next prime is 100431043. The reversal of 100431007 is 700134001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100431007 - 2⁷ = 100430879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100431407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50215503 + 50215504.

It is an arithmetic number, because the mean of its divisors is an integer number (50215504).

Almost surely, 2^100431007 is an apocalyptic number.

100431007 is a deficient number, since it is larger than the sum of its proper divisors (1).

100431007 is an equidigital number, since it uses as much as digits as its factorization.

100431007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100431007 is about 10021.5271790282. The cubic root of 100431007 is about 464.8247800147.

Adding to 100431007 its reverse (700134001), we get a palindrome (800565008).

The spelling of 100431007 in words is "one hundred million, four hundred thirty-one thousand, seven".