2131240151 has 2 divisors, whose sum is σ = 2131240152. Its totient is φ = 2131240150.

The previous prime is 2131240129. The next prime is 2131240171. The reversal of 2131240151 is 1510421312.

It is an a-pointer prime, because the next prime (2131240171) can be obtained adding 2131240151 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131240151 - 2¹⁴ = 2131223767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131240171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065620075 + 1065620076.

It is an arithmetic number, because the mean of its divisors is an integer number (1065620076).

Almost surely, 2^2131240151 is an apocalyptic number.

2131240151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131240151 is an equidigital number, since it uses as much as digits as its factorization.

2131240151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2131240151 is about 46165.3566107747. The cubic root of 2131240151 is about 1286.8980114214.

Adding to 2131240151 its reverse (1510421312), we get a palindrome (3641661463).

The spelling of 2131240151 in words is "two billion, one hundred thirty-one million, two hundred forty thousand, one hundred fifty-one".