2131111031167 has 2 divisors, whose sum is σ = 2131111031168. Its totient is φ = 2131111031166.

The previous prime is 2131111031113. The next prime is 2131111031171. The reversal of 2131111031167 is 7611301111312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131111031167 - 2³⁵ = 2096751292799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131111031197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065555515583 + 1065555515584.

It is an arithmetic number, because the mean of its divisors is an integer number (1065555515584).

Almost surely, 2^{2131111031167} is an apocalyptic number.

2131111031167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131111031167 is an equidigital number, since it uses as much as digits as its factorization.

2131111031167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 2131111031167 its reverse (7611301111312), we get a palindrome (9742412142479).

The spelling of 2131111031167 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, thirty-one thousand, one hundred sixty-seven".