1045320032331 has 16 divisors (see below), whose sum is σ = 1567280373120. Its totient is φ = 688483875240.

The previous prime is 1045320032303. The next prime is 1045320032359. The reversal of 1045320032331 is 1332300235401.

1045320032331 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 320 + 0 + 3 + 2 + 331 = 666.

It is an interprime number because it is at equal distance from previous prime (1045320032303) and next prime (1045320032359).

It is not a de Polignac number, because 1045320032331 - 2¹¹ = 1045320030283 is a prime.

It is a super-2 number, since 2×1045320032331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1045320032295 and 1045320032304.

It is not an unprimeable number, because it can be changed into a prime (1045320032381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233224005 + ... + 233228486.

It is an arithmetic number, because the mean of its divisors is an integer number (97955023320).

Almost surely, 2^{1045320032331} is an apocalyptic number.

1045320032331 is a deficient number, since it is larger than the sum of its proper divisors (521960340789).

1045320032331 is an equidigital number, since it uses as much as digits as its factorization.

1045320032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466452583 (or 466452577 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 1045320032331 its reverse (1332300235401), we get a palindrome (2377620267732).

The spelling of 1045320032331 in words is "one trillion, forty-five billion, three hundred twenty million, thirty-two thousand, three hundred thirty-one".