3130312 has 16 divisors (see below), whose sum is σ = 6214860. Its totient is φ = 1473024.

The previous prime is 3130297. The next prime is 3130327. The reversal of 3130312 is 2130313.

It is an interprime number because it is at equal distance from previous prime (3130297) and next prime (3130327).

It can be written as a sum of positive squares in 2 ways, for example, as 3048516 + 81796 = 1746^2 + 286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3130292 and 3130301.

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, 11373 + ... + 11644.

Almost surely, 2^3130312 is an apocalyptic number.

It is an amenable number.

3130312 is a deficient number, since it is larger than the sum of its proper divisors (3084548).

3130312 is a wasteful number, since it uses less digits than its factorization.

3130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23040 (or 23036 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3130312 is about 1769.2687755115. The cubic root of 3130312 is about 146.2836793889.

Adding to 3130312 its reverse (2130313), we get a palindrome (5260625).

Subtracting from 3130312 its reverse (2130313), we obtain a palindrome (999999).

The spelling of 3130312 in words is "three million, one hundred thirty thousand, three hundred twelve".