102213530 has 8 divisors (see below), whose sum is σ = 183984372. Its totient is φ = 40885408.

The previous prime is 102213523. The next prime is 102213577. The reversal of 102213530 is 35312201.

It can be written as a sum of positive squares in 2 ways, for example, as 101989801 + 223729 = 10099^2 + 473^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102213499 and 102213508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110667 + ... + 5110686.

Almost surely, 2^102213530 is an apocalyptic number.

102213530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102213530 is a deficient number, since it is larger than the sum of its proper divisors (81770842).

102213530 is a wasteful number, since it uses less digits than its factorization.

102213530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221360.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 102213530 is about 10110.0707218100. The cubic root of 102213530 is about 467.5586855704.

Adding to 102213530 its reverse (35312201), we get a palindrome (137525731).

The spelling of 102213530 in words is "one hundred two million, two hundred thirteen thousand, five hundred thirty".