3130545 has 16 divisors (see below), whose sum is σ = 5464512. Its totient is φ = 1517760.

The previous prime is 3130541. The next prime is 3130549. The reversal of 3130545 is 5450313.

It is an interprime number because it is at equal distance from previous prime (3130541) and next prime (3130549).

It is not a de Polignac number, because 3130545 - 2² = 3130541 is a prime.

It is an Ulam number.

3130545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3130541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9322 + ... + 9651.

It is an arithmetic number, because the mean of its divisors is an integer number (341532).

Almost surely, 2^3130545 is an apocalyptic number.

It is an amenable number.

3130545 is a deficient number, since it is larger than the sum of its proper divisors (2333967).

3130545 is a wasteful number, since it uses less digits than its factorization.

3130545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18992.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3130545 is about 1769.3346206978. The cubic root of 3130545 is about 146.2873087664.

Adding to 3130545 its reverse (5450313), we get a palindrome (8580858).

The spelling of 3130545 in words is "three million, one hundred thirty thousand, five hundred forty-five".