102056311 has 8 divisors (see below), whose sum is σ = 117555200. Its totient is φ = 86787288.

The previous prime is 102056303. The next prime is 102056327. The reversal of 102056311 is 113650201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102056311 - 2³ = 102056303 is a prime.

It is a super-2 number, since 2×102056311² = 20830981229857442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102056341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56511 + ... + 58288.

It is an arithmetic number, because the mean of its divisors is an integer number (14694400).

Almost surely, 2^102056311 is an apocalyptic number.

102056311 is a deficient number, since it is larger than the sum of its proper divisors (15498889).

102056311 is a wasteful number, since it uses less digits than its factorization.

102056311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114933.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 102056311 is about 10102.2923636173. The cubic root of 102056311 is about 467.3188385547.

The spelling of 102056311 in words is "one hundred two million, fifty-six thousand, three hundred eleven".