2131970167 has 2 divisors, whose sum is σ = 2131970168. Its totient is φ = 2131970166.

The previous prime is 2131970101. The next prime is 2131970173. The reversal of 2131970167 is 7610791312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131970167 - 2¹¹ = 2131968119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131976167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065985083 + 1065985084.

It is an arithmetic number, because the mean of its divisors is an integer number (1065985084).

Almost surely, 2^2131970167 is an apocalyptic number.

2131970167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131970167 is an equidigital number, since it uses as much as digits as its factorization.

2131970167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 2131970167 is about 46173.2624686625. The cubic root of 2131970167 is about 1287.0449288385.

The spelling of 2131970167 in words is "two billion, one hundred thirty-one million, nine hundred seventy thousand, one hundred sixty-seven".