68310102 has 16 divisors (see below), whose sum is σ = 156137472. Its totient is φ = 19517160.

The previous prime is 68310091. The next prime is 68310107. The reversal of 68310102 is 20101386.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68310107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813174 + ... + 813257.

It is an arithmetic number, because the mean of its divisors is an integer number (9758592).

Almost surely, 2^68310102 is an apocalyptic number.

68310102 is an abundant number, since it is smaller than the sum of its proper divisors (87827370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68310102 is a wasteful number, since it uses less digits than its factorization.

68310102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626443.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 68310102 is about 8264.9925589803. The cubic root of 68310102 is about 408.7850250079.

Adding to 68310102 its reverse (20101386), we get a palindrome (88411488).

The spelling of 68310102 in words is "sixty-eight million, three hundred ten thousand, one hundred two".