3130045 has 4 divisors (see below), whose sum is σ = 3756060. Its totient is φ = 2504032.

The previous prime is 3130037. The next prime is 3130087. The reversal of 3130045 is 5400313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5400313 = 19 ⋅284227.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 2493241 = 798^2 + 1579^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130045 - 2³ = 3130037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313000 + ... + 313009.

It is an arithmetic number, because the mean of its divisors is an integer number (939015).

Almost surely, 2^3130045 is an apocalyptic number.

It is an amenable number.

3130045 is a deficient number, since it is larger than the sum of its proper divisors (626015).

3130045 is an equidigital number, since it uses as much as digits as its factorization.

3130045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626014.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3130045 is about 1769.1933190016. The cubic root of 3130045 is about 146.2795201812.

Adding to 3130045 its reverse (5400313), we get a palindrome (8530358).

The spelling of 3130045 in words is "three million, one hundred thirty thousand, forty-five".