3130542 has 16 divisors (see below), whose sum is σ = 6956880. Its totient is φ = 1043496.

The previous prime is 3130541. The next prime is 3130549. The reversal of 3130542 is 2450313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28933 + ... + 29040.

It is an arithmetic number, because the mean of its divisors is an integer number (434805).

Almost surely, 2^3130542 is an apocalyptic number.

3130542 is an abundant number, since it is smaller than the sum of its proper divisors (3826338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130542 is a wasteful number, since it uses less digits than its factorization.

3130542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57984 (or 57978 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3130542 is about 1769.3337729213. Note that the first 3 decimals coincide. The cubic root of 3130542 is about 146.2872620373.

Adding to 3130542 its reverse (2450313), we get a palindrome (5580855).

The spelling of 3130542 in words is "three million, one hundred thirty thousand, five hundred forty-two".