1045313271 has 6 divisors (see below), whose sum is σ = 1509896960. Its totient is φ = 696875508.

The previous prime is 1045313249. The next prime is 1045313279. The reversal of 1045313271 is 1723135401.

1045313271 is a `hidden beast` number, since 10 + 453 + 132 + 71 = 666.

It is not a de Polignac number, because 1045313271 - 2¹⁷ = 1045182199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045313279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58072951 + ... + 58072968.

Almost surely, 2^1045313271 is an apocalyptic number.

1045313271 is a deficient number, since it is larger than the sum of its proper divisors (464583689).

1045313271 is a wasteful number, since it uses less digits than its factorization.

1045313271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116145925 (or 116145922 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1045313271 is about 32331.3048143746. The cubic root of 1045313271 is about 1014.8818554196.

Adding to 1045313271 its reverse (1723135401), we get a palindrome (2768448672).

The spelling of 1045313271 in words is "one billion, forty-five million, three hundred thirteen thousand, two hundred seventy-one".