231310120253 has 2 divisors, whose sum is σ = 231310120254. Its totient is φ = 231310120252.

The previous prime is 231310120231. The next prime is 231310120303. The reversal of 231310120253 is 352021013132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172679309209 + 58630811044 = 415547^2 + 242138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231310120253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231310120453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655060126 + 115655060127.

It is an arithmetic number, because the mean of its divisors is an integer number (115655060127).

Almost surely, 2^231310120253 is an apocalyptic number.

It is an amenable number.

231310120253 is a deficient number, since it is larger than the sum of its proper divisors (1).

231310120253 is an equidigital number, since it uses as much as digits as its factorization.

231310120253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 231310120253 its reverse (352021013132), we get a palindrome (583331133385).

The spelling of 231310120253 in words is "two hundred thirty-one billion, three hundred ten million, one hundred twenty thousand, two hundred fifty-three".