102313012 has 6 divisors (see below), whose sum is σ = 179047778. Its totient is φ = 51156504.

The previous prime is 102312983. The next prime is 102313019. The reversal of 102313012 is 210313201.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 37896336 = 8026^2 + 6156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102312983 and 102313001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12789123 + ... + 12789130.

Almost surely, 2^102313012 is an apocalyptic number.

It is an amenable number.

102313012 is a deficient number, since it is larger than the sum of its proper divisors (76734766).

102313012 is a wasteful number, since it uses less digits than its factorization.

102313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578257 (or 25578255 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102313012 is about 10114.9894710771. The cubic root of 102313012 is about 467.7103243052.

Adding to 102313012 its reverse (210313201), we get a palindrome (312626213).

The spelling of 102313012 in words is "one hundred two million, three hundred thirteen thousand, twelve".