3131601 has 12 divisors (see below), whose sum is σ = 4590096. Its totient is φ = 1897720.

The previous prime is 3131593. The next prime is 3131603. The reversal of 3131601 is 1061313.

It is not a de Polignac number, because 3131601 - 2³ = 3131593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3951 + ... + 4676.

It is an arithmetic number, because the mean of its divisors is an integer number (382508).

Almost surely, 2^3131601 is an apocalyptic number.

It is an amenable number.

3131601 is a deficient number, since it is larger than the sum of its proper divisors (1458495).

3131601 is a wasteful number, since it uses less digits than its factorization.

3131601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3131601 is about 1769.6330128024. The cubic root of 3131601 is about 146.3037555333.

Adding to 3131601 its reverse (1061313), we get a palindrome (4192914).

The spelling of 3131601 in words is "three million, one hundred thirty-one thousand, six hundred one".