3231913 has 8 divisors (see below), whose sum is σ = 3352968. Its totient is φ = 3112704.

The previous prime is 3231883. The next prime is 3231931. The reversal of 3231913 is 3191323.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 3229209 = 52^2 + 1797^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3231913 - 2⁹ = 3231401 is a prime.

It is a Duffinian number.

3231913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3231953) 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, 3795 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (419121).

Almost surely, 2^3231913 is an apocalyptic number.

It is an amenable number.

3231913 is a deficient number, since it is larger than the sum of its proper divisors (121055).

3231913 is a wasteful number, since it uses less digits than its factorization.

3231913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its digits is 486, while the sum is 22.

The square root of 3231913 is about 1797.7522076193. The cubic root of 3231913 is about 147.8495091905.

The spelling of 3231913 in words is "three million, two hundred thirty-one thousand, nine hundred thirteen".