64230311 has 2 divisors, whose sum is σ = 64230312. Its totient is φ = 64230310.

The previous prime is 64230307. The next prime is 64230319. The reversal of 64230311 is 11303246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64230311 - 2² = 64230307 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64230319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32115155 + 32115156.

It is an arithmetic number, because the mean of its divisors is an integer number (32115156).

Almost surely, 2^64230311 is an apocalyptic number.

64230311 is a deficient number, since it is larger than the sum of its proper divisors (1).

64230311 is an equidigital number, since it uses as much as digits as its factorization.

64230311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 64230311 is about 8014.3815107593. The cubic root of 64230311 is about 400.4792401762.

Adding to 64230311 its reverse (11303246), we get a palindrome (75533557).

The spelling of 64230311 in words is "sixty-four million, two hundred thirty thousand, three hundred eleven".