31110100131103 has 4 divisors (see below), whose sum is σ = 35554400149840. Its totient is φ = 26665800112368.

The previous prime is 31110100131083. The next prime is 31110100131113. The reversal of 31110100131103 is 30113100101113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31110100131103 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 (31110100131113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222150009358 + ... + 2222150009371.

It is an arithmetic number, because the mean of its divisors is an integer number (8888600037460).

Almost surely, 2^{31110100131103} is an apocalyptic number.

31110100131103 is a deficient number, since it is larger than the sum of its proper divisors (4444300018737).

31110100131103 is an equidigital number, since it uses as much as digits as its factorization.

31110100131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444300018736.

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

Adding to 31110100131103 its reverse (30113100101113), we get a palindrome (61223200232216).

The spelling of 31110100131103 in words is "thirty-one trillion, one hundred ten billion, one hundred million, one hundred thirty-one thousand, one hundred three".