2141130991 has 2 divisors, whose sum is σ = 2141130992. Its totient is φ = 2141130990.

The previous prime is 2141130983. The next prime is 2141131009. The reversal of 2141130991 is 1990311412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141130991 - 2³ = 2141130983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141130091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070565495 + 1070565496.

It is an arithmetic number, because the mean of its divisors is an integer number (1070565496).

Almost surely, 2^2141130991 is an apocalyptic number.

2141130991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141130991 is an equidigital number, since it uses as much as digits as its factorization.

2141130991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 2141130991 is about 46272.3566614021. The cubic root of 2141130991 is about 1288.8857214765.

The spelling of 2141130991 in words is "two billion, one hundred forty-one million, one hundred thirty thousand, nine hundred ninety-one".