100310087 has 2 divisors, whose sum is σ = 100310088. Its totient is φ = 100310086.

The previous prime is 100310059. The next prime is 100310143. The reversal of 100310087 is 780013001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100310087 - 2¹² = 100305991 is a prime.

It is a super-2 number, since 2×100310087² = 20124227107895138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100310027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155043 + 50155044.

It is an arithmetic number, because the mean of its divisors is an integer number (50155044).

Almost surely, 2^100310087 is an apocalyptic number.

100310087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100310087 is an equidigital number, since it uses as much as digits as its factorization.

100310087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 100310087 is about 10015.4923493556. The cubic root of 100310087 is about 464.6381537693.

Adding to 100310087 its reverse (780013001), we get a palindrome (880323088).

The spelling of 100310087 in words is "one hundred million, three hundred ten thousand, eighty-seven".