1045404331 has 2 divisors, whose sum is σ = 1045404332. Its totient is φ = 1045404330.

The previous prime is 1045404329. The next prime is 1045404343. The reversal of 1045404331 is 1334045401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045404331 - 2¹ = 1045404329 is a prime.

It is a super-2 number, since 2×1045404331² = 2185740430547115122, which contains 22 as substring.

Together with 1045404329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1045404296 and 1045404305.

It is not a weakly prime, because it can be changed into another prime (1045404391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522702165 + 522702166.

It is an arithmetic number, because the mean of its divisors is an integer number (522702166).

Almost surely, 2^1045404331 is an apocalyptic number.

1045404331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045404331 is an equidigital number, since it uses as much as digits as its factorization.

1045404331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1045404331 is about 32332.7130163864. The cubic root of 1045404331 is about 1014.9113242436.

Adding to 1045404331 its reverse (1334045401), we get a palindrome (2379449732).

The spelling of 1045404331 in words is "one billion, forty-five million, four hundred four thousand, three hundred thirty-one".