3151213 has 8 divisors (see below), whose sum is σ = 3411968. Its totient is φ = 2893104.

The previous prime is 3151163. The next prime is 3151217. The reversal of 3151213 is 3121513.

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 3151213 - 2²¹ = 1054061 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3151217) 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, 2356 + ... + 3442.

It is an arithmetic number, because the mean of its divisors is an integer number (426496).

Almost surely, 2^3151213 is an apocalyptic number.

It is an amenable number.

3151213 is a deficient number, since it is larger than the sum of its proper divisors (260755).

3151213 is a wasteful number, since it uses less digits than its factorization.

3151213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its digits is 90, while the sum is 16.

The square root of 3151213 is about 1775.1656260755. The cubic root of 3151213 is about 146.6085346986.

Adding to 3151213 its reverse (3121513), we get a palindrome (6272726).

It can be divided in two parts, 3151 and 213, that added together give a square (3364 = 58²).

The spelling of 3151213 in words is "three million, one hundred fifty-one thousand, two hundred thirteen".