231313120151 has 2 divisors, whose sum is σ = 231313120152. Its totient is φ = 231313120150.

The previous prime is 231313120139. The next prime is 231313120183. The reversal of 231313120151 is 151021313132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231313120151 - 2¹⁰ = 231313119127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231313122151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656560075 + 115656560076.

It is an arithmetic number, because the mean of its divisors is an integer number (115656560076).

Almost surely, 2^231313120151 is an apocalyptic number.

231313120151 is a deficient number, since it is larger than the sum of its proper divisors (1).

231313120151 is an equidigital number, since it uses as much as digits as its factorization.

231313120151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 231313120151 its reverse (151021313132), we get a palindrome (382334433283).

The spelling of 231313120151 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred twenty thousand, one hundred fifty-one".