31101310131100 has 36 divisors (see below), whose sum is σ = 73625283258408. Its totient is φ = 11309567320000.

The previous prime is 31101310131077. The next prime is 31101310131137. The reversal of 31101310131100 is 113101310113.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14136958051 + ... + 14136960250.

It is an arithmetic number, because the mean of its divisors is an integer number (2045146757178).

Almost surely, 2^{31101310131100} is an apocalyptic number.

It is an amenable number.

31101310131100 is an abundant number, since it is smaller than the sum of its proper divisors (42523973127308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31101310131100 is a wasteful number, since it uses less digits than its factorization.

31101310131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28273918326 (or 28273918319 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 31101310131100 its reverse (113101310113), we get a palindrome (31214411441213).

The spelling of 31101310131100 in words is "thirty-one trillion, one hundred one billion, three hundred ten million, one hundred thirty-one thousand, one hundred".