102312002 has 16 divisors (see below), whose sum is σ = 166137720. Its totient is φ = 46973952.

The previous prime is 102311999. The next prime is 102312043. The reversal of 102312002 is 200213201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84070561 + 18241441 = 9169^2 + 4271^2 .

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, 5177 + ... + 15212.

Almost surely, 2^102312002 is an apocalyptic number.

102312002 is a deficient number, since it is larger than the sum of its proper divisors (63825718).

102312002 is a wasteful number, since it uses less digits than its factorization.

102312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102312002 is about 10114.9395450492. The cubic root of 102312002 is about 467.7087852732.

Adding to 102312002 its reverse (200213201), we get a palindrome (302525203).

The spelling of 102312002 in words is "one hundred two million, three hundred twelve thousand, two".