100431083 has 2 divisors, whose sum is σ = 100431084. Its totient is φ = 100431082.

The previous prime is 100431043. The next prime is 100431091. The reversal of 100431083 is 380134001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100431083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100431043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50215541 + 50215542.

It is an arithmetic number, because the mean of its divisors is an integer number (50215542).

Almost surely, 2^100431083 is an apocalyptic number.

100431083 is a deficient number, since it is larger than the sum of its proper divisors (1).

100431083 is an equidigital number, since it uses as much as digits as its factorization.

100431083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100431083 is about 10021.5309708647. The cubic root of 100431083 is about 464.8248972649.

Adding to 100431083 its reverse (380134001), we get a palindrome (480565084).

The spelling of 100431083 in words is "one hundred million, four hundred thirty-one thousand, eighty-three".