1311102200031 has 16 divisors (see below), whose sum is σ = 1981692935040. Its totient is φ = 764367274080.

The previous prime is 1311102200021. The next prime is 1311102200123. The reversal of 1311102200031 is 1300022011131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1311102200031 is a prime.

It is a super-2 number, since 2×1311102200031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311102200021) 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 15 ways as a sum of consecutive naturals, for example, 884683605 + ... + 884685086.

It is an arithmetic number, because the mean of its divisors is an integer number (123855808440).

Almost surely, 2^{1311102200031} is an apocalyptic number.

1311102200031 is a deficient number, since it is larger than the sum of its proper divisors (670590735009).

1311102200031 is a wasteful number, since it uses less digits than its factorization.

1311102200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769368726.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1311102200031 its reverse (1300022011131), we get a palindrome (2611124211162).

The spelling of 1311102200031 in words is "one trillion, three hundred eleven billion, one hundred two million, two hundred thousand, thirty-one".