3130445 has 8 divisors (see below), whose sum is σ = 3827736. Its totient is φ = 2456896.

The previous prime is 3130429. The next prime is 3130451. The reversal of 3130445 is 5440313.

It can be written as a sum of positive squares in 4 ways, for example, as 434281 + 2696164 = 659^2 + 1642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3130445 - 2⁴ = 3130429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5642 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (478467).

Almost surely, 2^3130445 is an apocalyptic number.

It is an amenable number.

3130445 is a deficient number, since it is larger than the sum of its proper divisors (697291).

3130445 is a wasteful number, since it uses less digits than its factorization.

3130445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3130445 is about 1769.3063612614. The cubic root of 3130445 is about 146.2857511157.

Adding to 3130445 its reverse (5440313), we get a palindrome (8570758).

The spelling of 3130445 in words is "three million, one hundred thirty thousand, four hundred forty-five".