1045112313 has 32 divisors (see below), whose sum is σ = 1607454720. Its totient is φ = 591649920.

The previous prime is 1045112303. The next prime is 1045112317. The reversal of 1045112313 is 3132115401.

It is not a de Polignac number, because 1045112313 - 2¹² = 1045108217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1045112313.

It is not an unprimeable number, because it can be changed into a prime (1045112317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291453 + ... + 1292261.

It is an arithmetic number, because the mean of its divisors is an integer number (50232960).

Almost surely, 2^1045112313 is an apocalyptic number.

It is an amenable number.

1045112313 is a deficient number, since it is larger than the sum of its proper divisors (562342407).

1045112313 is a wasteful number, since it uses less digits than its factorization.

1045112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1045112313 is about 32328.1968720806. The cubic root of 1045112313 is about 1014.8168153644.

Adding to 1045112313 its reverse (3132115401), we get a palindrome (4177227714).

The spelling of 1045112313 in words is "one billion, forty-five million, one hundred twelve thousand, three hundred thirteen".