3731313309 has 16 divisors (see below), whose sum is σ = 5285882880. Its totient is φ = 2334590640.

The previous prime is 3731313307. The next prime is 3731313319. The reversal of 3731313309 is 9033131373.

It is not a de Polignac number, because 3731313309 - 2¹ = 3731313307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3731313309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731313301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299797 + ... + 311994.

It is an arithmetic number, because the mean of its divisors is an integer number (330367680).

Almost surely, 2^3731313309 is an apocalyptic number.

It is an amenable number.

3731313309 is a deficient number, since it is larger than the sum of its proper divisors (1554569571).

3731313309 is a wasteful number, since it uses less digits than its factorization.

3731313309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611920.

The product of its (nonzero) digits is 15309, while the sum is 33.

The square root of 3731313309 is about 61084.4768251313. The cubic root of 3731313309 is about 1551.0313370658.

The spelling of 3731313309 in words is "three billion, seven hundred thirty-one million, three hundred thirteen thousand, three hundred nine".