3131013 has 8 divisors (see below), whose sum is σ = 4356288. Its totient is φ = 1996544.

The previous prime is 3130997. The next prime is 3131017. The reversal of 3131013 is 3101313.

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 3131013 - 2⁴ = 3130997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22620 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (544536).

Almost surely, 2^3131013 is an apocalyptic number.

It is an amenable number.

3131013 is a deficient number, since it is larger than the sum of its proper divisors (1225275).

3131013 is a wasteful number, since it uses less digits than its factorization.

3131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45403.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 3131013 is about 1769.4668688619. The cubic root of 3131013 is about 146.2945981307.

Adding to 3131013 its reverse (3101313), we get a palindrome (6232326).

It can be divided in two parts, 313 and 1013, that added together give a triangular number (1326 = T₅₁).

The spelling of 3131013 in words is "three million, one hundred thirty-one thousand, thirteen".