3343881731 has 4 divisors (see below), whose sum is σ = 3425439864. Its totient is φ = 3262323600.

The previous prime is 3343881721. The next prime is 3343881773. The reversal of 3343881731 is 1371883433.

3343881731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3343881731 - 2¹⁰ = 3343880707 is a prime.

It is a super-2 number, since 2×3343881731² = 22363090061831112722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 81558091 = 3343881731 / (3 + 3 + 4 + 3 + 8 + 8 + 1 + 7 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3343881701) 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, 40779005 + ... + 40779086.

It is an arithmetic number, because the mean of its divisors is an integer number (856359966).

Almost surely, 2^3343881731 is an apocalyptic number.

3343881731 is a deficient number, since it is larger than the sum of its proper divisors (81558133).

3343881731 is an equidigital number, since it uses as much as digits as its factorization.

3343881731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81558132.

The product of its digits is 145152, while the sum is 41.

The square root of 3343881731 is about 57826.3065654378. The cubic root of 3343881731 is about 1495.3756442806.

The spelling of 3343881731 in words is "three billion, three hundred forty-three million, eight hundred eighty-one thousand, seven hundred thirty-one".