1045747331 has 4 divisors (see below), whose sum is σ = 1045842600. Its totient is φ = 1045652064.

The previous prime is 1045747303. The next prime is 1045747343. The reversal of 1045747331 is 1337475401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1045747331 - 2⁶ = 1045747267 is a prime.

It is a super-2 number, since 2×1045747331² = 2187174960587247122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045747291 and 1045747300.

It is not an unprimeable number, because it can be changed into a prime (1045737331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28646 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (261460650).

Almost surely, 2^1045747331 is an apocalyptic number.

1045747331 is a deficient number, since it is larger than the sum of its proper divisors (95269).

1045747331 is an equidigital number, since it uses as much as digits as its factorization.

1045747331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95268.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1045747331 is about 32338.0168068483. The cubic root of 1045747331 is about 1015.0223104934.

The spelling of 1045747331 in words is "one billion, forty-five million, seven hundred forty-seven thousand, three hundred thirty-one".