2154231151 has 2 divisors, whose sum is σ = 2154231152. Its totient is φ = 2154231150.

The previous prime is 2154231139. The next prime is 2154231161. The reversal of 2154231151 is 1511324512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154231151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154231161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077115575 + 1077115576.

It is an arithmetic number, because the mean of its divisors is an integer number (1077115576).

Almost surely, 2^2154231151 is an apocalyptic number.

2154231151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154231151 is an equidigital number, since it uses as much as digits as its factorization.

2154231151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 2154231151 is about 46413.6957265848. The cubic root of 2154231151 is about 1291.5089909193.

Adding to 2154231151 its reverse (1511324512), we get a palindrome (3665555663).

The spelling of 2154231151 in words is "two billion, one hundred fifty-four million, two hundred thirty-one thousand, one hundred fifty-one".