102276931 has 8 divisors (see below), whose sum is σ = 105127200. Its totient is φ = 99464640.

The previous prime is 102276901. The next prime is 102276959. The reversal of 102276931 is 139672201.

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

It is a cyclic number.

It is not a de Polignac number, because 102276931 - 2⁵ = 102276899 is a prime.

It is a super-2 number, since 2×102276931² = 20921141229557522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102276893 and 102276902.

It is not an unprimeable number, because it can be changed into a prime (102276901) 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, 3991 + ... + 14848.

It is an arithmetic number, because the mean of its divisors is an integer number (13140900).

Almost surely, 2^102276931 is an apocalyptic number.

102276931 is a deficient number, since it is larger than the sum of its proper divisors (2850269).

102276931 is an equidigital number, since it uses as much as digits as its factorization.

102276931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18989.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 102276931 is about 10113.2057726519. The cubic root of 102276931 is about 467.6553380103.

The spelling of 102276931 in words is "one hundred two million, two hundred seventy-six thousand, nine hundred thirty-one".