102543331 has 16 divisors (see below), whose sum is σ = 114859008. Its totient is φ = 90748800.

The previous prime is 102543313. The next prime is 102543341. The reversal of 102543331 is 133345201.

It is a cyclic number.

It is not a de Polignac number, because 102543331 - 2⁹ = 102542819 is a prime.

It is a super-2 number, since 2×102543331² = 21030269465151122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102543341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124186 + ... + 125008.

It is an arithmetic number, because the mean of its divisors is an integer number (7178688).

Almost surely, 2^102543331 is an apocalyptic number.

102543331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102543331 is a deficient number, since it is larger than the sum of its proper divisors (12315677).

102543331 is a wasteful number, since it uses less digits than its factorization.

102543331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 102543331 is about 10126.3681051007. The cubic root of 102543331 is about 468.0610188416.

Adding to 102543331 its reverse (133345201), we get a palindrome (235888532).

The spelling of 102543331 in words is "one hundred two million, five hundred forty-three thousand, three hundred thirty-one".