3331731 has 8 divisors (see below), whose sum is σ = 4784080. Its totient is φ = 2050272.

The previous prime is 3331673. The next prime is 3331733. The reversal of 3331731 is 1371333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3331731 - 2¹⁸ = 3069587 is a prime.

It is a super-2 number, since 2×3331731² = 22200862912722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3331698 and 3331707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331733) 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, 42676 + ... + 42753.

It is an arithmetic number, because the mean of its divisors is an integer number (598010).

Almost surely, 2^3331731 is an apocalyptic number.

3331731 is a deficient number, since it is larger than the sum of its proper divisors (1452349).

3331731 is a wasteful number, since it uses less digits than its factorization.

3331731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85445.

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

The square root of 3331731 is about 1825.3029885474. The cubic root of 3331731 is about 149.3562187016.

The spelling of 3331731 in words is "three million, three hundred thirty-one thousand, seven hundred thirty-one".