3131122663 has 4 divisors (see below), whose sum is σ = 3239092440. Its totient is φ = 3023152888.

The previous prime is 3131122633. The next prime is 3131122693. The reversal of 3131122663 is 3662211313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3662211313 = 439 ⋅8342167.

It is an interprime number because it is at equal distance from previous prime (3131122633) and next prime (3131122693).

It is a cyclic number.

It is not a de Polignac number, because 3131122663 - 2²¹ = 3129025511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131122633) 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 3 ways as a sum of consecutive naturals, for example, 53984845 + ... + 53984902.

It is an arithmetic number, because the mean of its divisors is an integer number (809773110).

Almost surely, 2^3131122663 is an apocalyptic number.

3131122663 is a deficient number, since it is larger than the sum of its proper divisors (107969777).

3131122663 is a wasteful number, since it uses less digits than its factorization.

3131122663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107969776.

The product of its digits is 3888, while the sum is 28.

The square root of 3131122663 is about 55956.4354029096. The cubic root of 3131122663 is about 1462.9630608883.

Adding to 3131122663 its reverse (3662211313), we get a palindrome (6793333976).

The spelling of 3131122663 in words is "three billion, one hundred thirty-one million, one hundred twenty-two thousand, six hundred sixty-three".