64231011 has 24 divisors (see below), whose sum is σ = 100376640. Its totient is φ = 39344256.

The previous prime is 64230997. The next prime is 64231061. The reversal of 64231011 is 11013246.

It is a happy number.

64231011 is a `hidden beast` number, since 642 + 3 + 10 + 11 = 666.

64231011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64231011 - 2¹⁹ = 63706723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64231061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26815 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (4182360).

Almost surely, 2^64231011 is an apocalyptic number.

64231011 is a deficient number, since it is larger than the sum of its proper divisors (36145629).

64231011 is a wasteful number, since it uses less digits than its factorization.

64231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 64231011 is about 8014.4251821325. The cubic root of 64231011 is about 400.4806950160.

Adding to 64231011 its reverse (11013246), we get a palindrome (75244257).

The spelling of 64231011 in words is "sixty-four million, two hundred thirty-one thousand, eleven".