2131143234111 has 32 divisors (see below), whose sum is σ = 3249583895040. Its totient is φ = 1379540030400.

The previous prime is 2131143234079. The next prime is 2131143234127. The reversal of 2131143234111 is 1114323411312.

2131143234111 is a `hidden beast` number, since 2 + 1 + 311 + 4 + 3 + 2 + 341 + 1 + 1 = 666.

It is not a de Polignac number, because 2131143234111 - 2⁵ = 2131143234079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131143234131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4328395 + ... + 4795548.

It is an arithmetic number, because the mean of its divisors is an integer number (101549496720).

Almost surely, 2^{2131143234111} is an apocalyptic number.

2131143234111 is a deficient number, since it is larger than the sum of its proper divisors (1118440660929).

2131143234111 is a wasteful number, since it uses less digits than its factorization.

2131143234111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124204 (or 9124198 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 2131143234111 its reverse (1114323411312), we get a palindrome (3245466645423).

The spelling of 2131143234111 in words is "two trillion, one hundred thirty-one billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred eleven".