102302511236 has 12 divisors (see below), whose sum is σ = 179031887580. Its totient is φ = 51150543360.

The previous prime is 102302511193. The next prime is 102302511239. The reversal of 102302511236 is 632115203201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39962408836 + 62340102400 = 199906^2 + 249680^2 .

It is not an unprimeable number, because it can be changed into a prime (102302511239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270860 + ... + 527228.

It is an arithmetic number, because the mean of its divisors is an integer number (14919323965).

Almost surely, 2^102302511236 is an apocalyptic number.

It is an amenable number.

102302511236 is a deficient number, since it is larger than the sum of its proper divisors (76729376344).

102302511236 is a wasteful number, since it uses less digits than its factorization.

102302511236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356134 (or 356132 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 102302511236 its reverse (632115203201), we get a palindrome (734417714437).

The spelling of 102302511236 in words is "one hundred two billion, three hundred two million, five hundred eleven thousand, two hundred thirty-six".