2045234431 has 2 divisors, whose sum is σ = 2045234432. Its totient is φ = 2045234430.

The previous prime is 2045234407. The next prime is 2045234473. The reversal of 2045234431 is 1344325402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045234431 is a prime.

It is a super-2 number, since 2×2045234431² = 8365967755495787522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2045234431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045274431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022617215 + 1022617216.

It is an arithmetic number, because the mean of its divisors is an integer number (1022617216).

Almost surely, 2^2045234431 is an apocalyptic number.

2045234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045234431 is an equidigital number, since it uses as much as digits as its factorization.

2045234431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2045234431 is about 45224.2681643385. The cubic root of 2045234431 is about 1269.3489607538.

Adding to 2045234431 its reverse (1344325402), we get a palindrome (3389559833).

The spelling of 2045234431 in words is "two billion, forty-five million, two hundred thirty-four thousand, four hundred thirty-one".