3315672731 has 4 divisors (see below), whose sum is σ = 3789340272. Its totient is φ = 2842005192.

The previous prime is 3315672683. The next prime is 3315672761. The reversal of 3315672731 is 1372765133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1372765133 = 647 ⋅2121739.

It is a cyclic number.

It is not a de Polignac number, because 3315672731 - 2⁶ = 3315672667 is a prime.

It is a super-4 number, since 4×3315672731⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3315672761) 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, 236833760 + ... + 236833773.

It is an arithmetic number, because the mean of its divisors is an integer number (947335068).

Almost surely, 2^3315672731 is an apocalyptic number.

3315672731 is a deficient number, since it is larger than the sum of its proper divisors (473667541).

3315672731 is an equidigital number, since it uses as much as digits as its factorization.

3315672731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473667540.

The product of its digits is 79380, while the sum is 38.

The square root of 3315672731 is about 57581.8784948876. The cubic root of 3315672731 is about 1491.1587657320.

The spelling of 3315672731 in words is "three billion, three hundred fifteen million, six hundred seventy-two thousand, seven hundred thirty-one".