102313202312 has 8 divisors (see below), whose sum is σ = 191837254350. Its totient is φ = 51156601152.

The previous prime is 102313202293. The next prime is 102313202317. The reversal of 102313202312 is 213202313201.

It can be written as a sum of positive squares in only one way, i.e., 96886522756 + 5426679556 = 311266^2 + 73666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102313202317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394575137 + ... + 6394575152.

Almost surely, 2^102313202312 is an apocalyptic number.

It is an amenable number.

102313202312 is a deficient number, since it is larger than the sum of its proper divisors (89524052038).

102313202312 is a wasteful number, since it uses less digits than its factorization.

102313202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789150295 (or 12789150291 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102313202312 its reverse (213202313201), we get a palindrome (315515515513).

The spelling of 102313202312 in words is "one hundred two billion, three hundred thirteen million, two hundred two thousand, three hundred twelve".