100430051 has 2 divisors, whose sum is σ = 100430052. Its totient is φ = 100430050.

The previous prime is 100430039. The next prime is 100430081. The reversal of 100430051 is 150034001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100430051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100430081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50215025 + 50215026.

It is an arithmetic number, because the mean of its divisors is an integer number (50215026).

Almost surely, 2^100430051 is an apocalyptic number.

100430051 is a deficient number, since it is larger than the sum of its proper divisors (1).

100430051 is an equidigital number, since it uses as much as digits as its factorization.

100430051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100430051 is about 10021.4794815935. The cubic root of 100430051 is about 464.8233051252.

Adding to 100430051 its reverse (150034001), we get a palindrome (250464052).

The spelling of 100430051 in words is "one hundred million, four hundred thirty thousand, fifty-one".