102887311 has 2 divisors, whose sum is σ = 102887312. Its totient is φ = 102887310.

The previous prime is 102887263. The next prime is 102887329. The reversal of 102887311 is 113788201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102887311 - 2¹⁷ = 102756239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102887611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51443655 + 51443656.

It is an arithmetic number, because the mean of its divisors is an integer number (51443656).

Almost surely, 2^102887311 is an apocalyptic number.

102887311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102887311 is an equidigital number, since it uses as much as digits as its factorization.

102887311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 102887311 is about 10143.3382572011. The cubic root of 102887311 is about 468.5838025090.

The spelling of 102887311 in words is "one hundred two million, eight hundred eighty-seven thousand, three hundred eleven".