3131212202011 has 32 divisors (see below), whose sum is σ = 3379380092928. Its totient is φ = 2894052062880.

The previous prime is 3131212201987. The next prime is 3131212202023. The reversal of 3131212202011 is 1102022121313.

It is not a de Polignac number, because 3131212202011 - 2¹³ = 3131212193819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131212202011.

It is not an unprimeable number, because it can be changed into a prime (3131212202311) 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 31 ways as a sum of consecutive naturals, for example, 140584806 + ... + 140607076.

It is an arithmetic number, because the mean of its divisors is an integer number (105605627904).

Almost surely, 2^{3131212202011} is an apocalyptic number.

3131212202011 is a deficient number, since it is larger than the sum of its proper divisors (248167890917).

3131212202011 is a wasteful number, since it uses less digits than its factorization.

3131212202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3131212202011 its reverse (1102022121313), we get a palindrome (4233234323324).

The spelling of 3131212202011 in words is "three trillion, one hundred thirty-one billion, two hundred twelve million, two hundred two thousand, eleven".