64312102 has 4 divisors (see below), whose sum is σ = 96468156. Its totient is φ = 32156050.

The previous prime is 64312097. The next prime is 64312123. The reversal of 64312102 is 20121346.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64312102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16078024 + ... + 16078027.

It is an arithmetic number, because the mean of its divisors is an integer number (24117039).

Almost surely, 2^64312102 is an apocalyptic number.

64312102 is a deficient number, since it is larger than the sum of its proper divisors (32156054).

64312102 is a wasteful number, since it uses less digits than its factorization.

64312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32156053.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 64312102 is about 8019.4826516428. The cubic root of 64312102 is about 400.6491584135.

Adding to 64312102 its reverse (20121346), we get a palindrome (84433448).

The spelling of 64312102 in words is "sixty-four million, three hundred twelve thousand, one hundred two".