102313020202 has 4 divisors (see below), whose sum is σ = 153469530306. Its totient is φ = 51156510100.

The previous prime is 102313020169. The next prime is 102313020239. The reversal of 102313020202 is 202020313201.

102313020202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99325195281 + 2987824921 = 315159^2 + 54661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25578255049 + ... + 25578255052.

Almost surely, 2^102313020202 is an apocalyptic number.

102313020202 is a deficient number, since it is larger than the sum of its proper divisors (51156510104).

102313020202 is an equidigital number, since it uses as much as digits as its factorization.

102313020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51156510103.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102313020202 its reverse (202020313201), we get a palindrome (304333333403).

The spelling of 102313020202 in words is "one hundred two billion, three hundred thirteen million, twenty thousand, two hundred two".