1004431322245 has 48 divisors (see below), whose sum is σ = 1361161331712. Its totient is φ = 710405130240.

The previous prime is 1004431322207. The next prime is 1004431322261. The reversal of 1004431322245 is 5422231344001.

It is a de Polignac number, because none of the positive numbers 2^k-1004431322245 is a prime.

It is a super-2 number, since 2×1004431322245² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2343264 + ... + 2738566.

It is an arithmetic number, because the mean of its divisors is an integer number (28357527744).

Almost surely, 2^{1004431322245} is an apocalyptic number.

It is an amenable number.

1004431322245 is a deficient number, since it is larger than the sum of its proper divisors (356730009467).

1004431322245 is a wasteful number, since it uses less digits than its factorization.

1004431322245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395462 (or 395449 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1004431322245 its reverse (5422231344001), we get a palindrome (6426662666246).

The spelling of 1004431322245 in words is "one trillion, four billion, four hundred thirty-one million, three hundred twenty-two thousand, two hundred forty-five".