64023031 has 4 divisors (see below), whose sum is σ = 64115064. Its totient is φ = 63931000.

The previous prime is 64023023. The next prime is 64023067. The reversal of 64023031 is 13032046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13032046 = 2 ⋅6516023.

It is a cyclic number.

It is not a de Polignac number, because 64023031 - 2³ = 64023023 is a prime.

It is a super-2 number, since 2×64023031² = 8197896996853922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64023131) 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 3 ways as a sum of consecutive naturals, for example, 44965 + ... + 46366.

It is an arithmetic number, because the mean of its divisors is an integer number (16028766).

Almost surely, 2^64023031 is an apocalyptic number.

64023031 is a deficient number, since it is larger than the sum of its proper divisors (92033).

64023031 is an equidigital number, since it uses as much as digits as its factorization.

64023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92032.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 64023031 is about 8001.4393080245. The cubic root of 64023031 is about 400.0479754956.

Adding to 64023031 its reverse (13032046), we get a palindrome (77055077).

The spelling of 64023031 in words is "sixty-four million, twenty-three thousand, thirty-one".