3131440313433 has 16 divisors (see below), whose sum is σ = 4197236736000. Its totient is φ = 2076636024720.

The previous prime is 3131440313423. The next prime is 3131440313459. The reversal of 3131440313433 is 3343130441313.

It is not a de Polignac number, because 3131440313433 - 2¹³ = 3131440305241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3131440313394 and 3131440313403.

It is not an unprimeable number, because it can be changed into a prime (3131440313423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28181418 + ... + 28292316.

It is an arithmetic number, because the mean of its divisors is an integer number (262327296000).

Almost surely, 2^{3131440313433} is an apocalyptic number.

It is an amenable number.

3131440313433 is a deficient number, since it is larger than the sum of its proper divisors (1065796422567).

3131440313433 is a wasteful number, since it uses less digits than its factorization.

3131440313433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160372.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 3131440313433 its reverse (3343130441313), we get a palindrome (6474570754746).

The spelling of 3131440313433 in words is "three trillion, one hundred thirty-one billion, four hundred forty million, three hundred thirteen thousand, four hundred thirty-three".