64335232231 has 2 divisors, whose sum is σ = 64335232232. Its totient is φ = 64335232230.

The previous prime is 64335232217. The next prime is 64335232237. The reversal of 64335232231 is 13223253346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64335232231 - 2²⁷ = 64201014503 is a prime.

It is a super-2 number, since 2×64335232231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64335232237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32167616115 + 32167616116.

It is an arithmetic number, because the mean of its divisors is an integer number (32167616116).

Almost surely, 2^64335232231 is an apocalyptic number.

64335232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

64335232231 is an equidigital number, since it uses as much as digits as its factorization.

64335232231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 34.

Adding to 64335232231 its reverse (13223253346), we get a palindrome (77558485577).

The spelling of 64335232231 in words is "sixty-four billion, three hundred thirty-five million, two hundred thirty-two thousand, two hundred thirty-one".