2131110331110 has 48 divisors (see below), whose sum is σ = 5565733939584. Its totient is φ = 565747670016.

The previous prime is 2131110331109. The next prime is 2131110331127. The reversal of 2131110331110 is 111330111312.

2131110331110 is a `hidden beast` number, since 2 + 1 + 311 + 10 + 331 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53071867 + ... + 53112006.

It is an arithmetic number, because the mean of its divisors is an integer number (115952790408).

Almost surely, 2^{2131110331110} is an apocalyptic number.

2131110331110 is an abundant number, since it is smaller than the sum of its proper divisors (3434623608474).

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

2131110331110 is a wasteful number, since it uses less digits than its factorization.

2131110331110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106184109 (or 106184106 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 2131110331110 its reverse (111330111312), we get a palindrome (2242440442422).

The spelling of 2131110331110 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, three hundred thirty-one thousand, one hundred ten".