3131044213 has 4 divisors (see below), whose sum is σ = 3415684608. Its totient is φ = 2846403820.

The previous prime is 3131044199. The next prime is 3131044223. The reversal of 3131044213 is 3124401313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131044213 - 2⁹ = 3131043701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131044223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142320181 + ... + 142320202.

It is an arithmetic number, because the mean of its divisors is an integer number (853921152).

Almost surely, 2^3131044213 is an apocalyptic number.

It is an amenable number.

3131044213 is a deficient number, since it is larger than the sum of its proper divisors (284640395).

3131044213 is a wasteful number, since it uses less digits than its factorization.

3131044213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284640394.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3131044213 is about 55955.7344067612. The cubic root of 3131044213 is about 1462.9508426498.

Adding to 3131044213 its reverse (3124401313), we get a palindrome (6255445526).

The spelling of 3131044213 in words is "three billion, one hundred thirty-one million, forty-four thousand, two hundred thirteen".