102312304202 has 16 divisors (see below), whose sum is σ = 156382053192. Its totient is φ = 50185175040.

The previous prime is 102312304177. The next prime is 102312304217. The reversal of 102312304202 is 202403213201.

It can be written as a sum of positive squares in 4 ways, for example, as 102163976161 + 148328041 = 319631^2 + 12179^2 .

It is a super-2 number, since 2×102312304202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958538 + ... + 1059914.

Almost surely, 2^102312304202 is an apocalyptic number.

102312304202 is a deficient number, since it is larger than the sum of its proper divisors (54069748990).

102312304202 is a wasteful number, since it uses less digits than its factorization.

102312304202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110953.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102312304202 its reverse (202403213201), we get a palindrome (304715517403).

The spelling of 102312304202 in words is "one hundred two billion, three hundred twelve million, three hundred four thousand, two hundred two".