1064442311 has 4 divisors (see below), whose sum is σ = 1065101400. Its totient is φ = 1063783224.

The previous prime is 1064442289. The next prime is 1064442341. The reversal of 1064442311 is 1132444601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132444601 = 31 ⋅36530471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064442311 is a prime.

It is a super-2 number, since 2×1064442311² = 2266074866894041442, 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 (1064442341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327116 + ... + 330353.

It is an arithmetic number, because the mean of its divisors is an integer number (266275350).

Almost surely, 2^1064442311 is an apocalyptic number.

1064442311 is a deficient number, since it is larger than the sum of its proper divisors (659089).

1064442311 is an equidigital number, since it uses as much as digits as its factorization.

1064442311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659088.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1064442311 is about 32625.7921129894. The cubic root of 1064442311 is about 1021.0351886285.

Adding to 1064442311 its reverse (1132444601), we get a palindrome (2196886912).

The spelling of 1064442311 in words is "one billion, sixty-four million, four hundred forty-two thousand, three hundred eleven".