3131332031243 has 8 divisors (see below), whose sum is σ = 3463344367728. Its totient is φ = 2812339786464.

The previous prime is 3131332031239. The next prime is 3131332031257. The reversal of 3131332031243 is 3421302331313.

3131332031243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3131332031243 - 2² = 3131332031239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131332037243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3255022421 + ... + 3255023382.

It is an arithmetic number, because the mean of its divisors is an integer number (432918045966).

Almost surely, 2^{3131332031243} is an apocalyptic number.

3131332031243 is a deficient number, since it is larger than the sum of its proper divisors (332012336485).

3131332031243 is a wasteful number, since it uses less digits than its factorization.

3131332031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510045853.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 3131332031243 its reverse (3421302331313), we get a palindrome (6552634362556).

The spelling of 3131332031243 in words is "three trillion, one hundred thirty-one billion, three hundred thirty-two million, thirty-one thousand, two hundred forty-three".