102051331 has 8 divisors (see below), whose sum is σ = 103812800. Its totient is φ = 100301760.

The previous prime is 102051311. The next prime is 102051343. The reversal of 102051331 is 133150201.

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 102051331 - 2¹⁵ = 102018563 is a prime.

It is a super-2 number, since 2×102051331² = 20828948317743122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102051311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15271 + ... + 20911.

It is an arithmetic number, because the mean of its divisors is an integer number (12976600).

Almost surely, 2^102051331 is an apocalyptic number.

102051331 is a deficient number, since it is larger than the sum of its proper divisors (1761469).

102051331 is an equidigital number, since it uses as much as digits as its factorization.

102051331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 102051331 is about 10102.0458818994. The cubic root of 102051331 is about 467.3112372425.

The spelling of 102051331 in words is "one hundred two million, fifty-one thousand, three hundred thirty-one".