2131043111107 has 12 divisors (see below), whose sum is σ = 2229468075520. Its totient is φ = 2036794679568.

The previous prime is 2131043111081. The next prime is 2131043111149. The reversal of 2131043111107 is 7011113401312.

It is not a de Polignac number, because 2131043111107 - 2¹¹ = 2131043109059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131043111167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898248 + ... + 2251429.

Almost surely, 2^{2131043111107} is an apocalyptic number.

2131043111107 is a deficient number, since it is larger than the sum of its proper divisors (98424964413).

2131043111107 is a wasteful number, since it uses less digits than its factorization.

2131043111107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151002 (or 3150979 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 2131043111107 its reverse (7011113401312), we get a palindrome (9142156512419).

The spelling of 2131043111107 in words is "two trillion, one hundred thirty-one billion, forty-three million, one hundred eleven thousand, one hundred seven".