31103313112311 has 64 divisors (see below), whose sum is σ = 46403087486976. Its totient is φ = 18368498131200.

The previous prime is 31103313112307. The next prime is 31103313112321. The reversal of 31103313112311 is 11321131330113.

It is not a de Polignac number, because 31103313112311 - 2² = 31103313112307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103313112321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1040891091 + ... + 1040920971.

It is an arithmetic number, because the mean of its divisors is an integer number (725048241984).

Almost surely, 2^{31103313112311} is an apocalyptic number.

31103313112311 is a deficient number, since it is larger than the sum of its proper divisors (15299774374665).

31103313112311 is a wasteful number, since it uses less digits than its factorization.

31103313112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31652.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 31103313112311 its reverse (11321131330113), we get a palindrome (42424444442424).

The spelling of 31103313112311 in words is "thirty-one trillion, one hundred three billion, three hundred thirteen million, one hundred twelve thousand, three hundred eleven".