64313303 has 4 divisors (see below), whose sum is σ = 64937808. Its totient is φ = 63688800.

The previous prime is 64313299. The next prime is 64313311. The reversal of 64313303 is 30331346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30331346 = 2 ⋅15165673.

It is a cyclic number.

It is not a de Polignac number, because 64313303 - 2² = 64313299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64313393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312098 + ... + 312303.

It is an arithmetic number, because the mean of its divisors is an integer number (16234452).

Almost surely, 2^64313303 is an apocalyptic number.

64313303 is a deficient number, since it is larger than the sum of its proper divisors (624505).

64313303 is a wasteful number, since it uses less digits than its factorization.

64313303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624504.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 64313303 is about 8019.5575314353. The cubic root of 64313303 is about 400.6516523798.

Adding to 64313303 its reverse (30331346), we get a palindrome (94644649).

The spelling of 64313303 in words is "sixty-four million, three hundred thirteen thousand, three hundred three".