3031231313 has 8 divisors (see below), whose sum is σ = 3310368480. Its totient is φ = 2752689280.

The previous prime is 3031231277. The next prime is 3031231321. The reversal of 3031231313 is 3131321303.

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

It is not a de Polignac number, because 3031231313 - 2¹⁶ = 3031165777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3031231363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138095 + ... + 158532.

It is an arithmetic number, because the mean of its divisors is an integer number (413796060).

Almost surely, 2^3031231313 is an apocalyptic number.

It is an amenable number.

3031231313 is a deficient number, since it is larger than the sum of its proper divisors (279137167).

3031231313 is a wasteful number, since it uses less digits than its factorization.

3031231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297567.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3031231313 is about 55056.6191570096. The cubic root of 3031231313 is about 1447.2371190355.

Adding to 3031231313 its reverse (3131321303), we get a palindrome (6162552616).

The spelling of 3031231313 in words is "three billion, thirty-one million, two hundred thirty-one thousand, three hundred thirteen".