2045064331 has 2 divisors, whose sum is σ = 2045064332. Its totient is φ = 2045064330.

The previous prime is 2045064323. The next prime is 2045064353. The reversal of 2045064331 is 1334605402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045064331 - 2³ = 2045064323 is a prime.

It is a super-2 number, since 2×2045064331² = 8364576235856955122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2045064331.

It is not a weakly prime, because it can be changed into another prime (2045064361) 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 as a sum of consecutive naturals, namely, 1022532165 + 1022532166.

It is an arithmetic number, because the mean of its divisors is an integer number (1022532166).

Almost surely, 2^2045064331 is an apocalyptic number.

2045064331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045064331 is an equidigital number, since it uses as much as digits as its factorization.

2045064331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2045064331 is about 45222.3874977870. The cubic root of 2045064331 is about 1269.3137696381.

Adding to 2045064331 its reverse (1334605402), we get a palindrome (3379669733).

The spelling of 2045064331 in words is "two billion, forty-five million, sixty-four thousand, three hundred thirty-one".