3731313 has 16 divisors (see below), whose sum is σ = 5498496. Its totient is φ = 2238720.

The previous prime is 3731311. The next prime is 3731333. The reversal of 3731313 is 3131373.

It is not a de Polignac number, because 3731313 - 2¹ = 3731311 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 3731313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (343656).

Almost surely, 2^3731313 is an apocalyptic number.

It is an amenable number.

3731313 is a deficient number, since it is larger than the sum of its proper divisors (1767183).

3731313 is a wasteful number, since it uses less digits than its factorization.

3731313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224.

The product of its digits is 567, while the sum is 21.

The square root of 3731313 is about 1931.6606844889. The cubic root of 3731313 is about 155.1031294251.

Adding to 3731313 its reverse (3131373), we get a palindrome (6862686).

The spelling of 3731313 in words is "three million, seven hundred thirty-one thousand, three hundred thirteen".