64002031 has 8 divisors (see below), whose sum is σ = 67313664. Its totient is φ = 60734520.

The previous prime is 64001941. The next prime is 64002061. The reversal of 64002031 is 13020046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64002031 is a prime.

It is a super-2 number, since 2×64002031² = 8192519944249922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64001996 and 64002014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64002061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8035 + ... + 13876.

It is an arithmetic number, because the mean of its divisors is an integer number (8414208).

Almost surely, 2^64002031 is an apocalyptic number.

64002031 is a deficient number, since it is larger than the sum of its proper divisors (3311633).

64002031 is a wasteful number, since it uses less digits than its factorization.

64002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061.

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

The square root of 64002031 is about 8000.1269364929. The cubic root of 64002031 is about 400.0042312052.

Adding to 64002031 its reverse (13020046), we get a palindrome (77022077).

The spelling of 64002031 in words is "sixty-four million, two thousand, thirty-one".