231225031032613 has 2 divisors, whose sum is σ = 231225031032614. Its totient is φ = 231225031032612.

The previous prime is 231225031032563. The next prime is 231225031032641. The reversal of 231225031032613 is 316230130522132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230956772296644 + 268258735969 = 15197262^2 + 517937^2 .

It is a cyclic number.

It is not a de Polignac number, because 231225031032613 - 2⁴⁵ = 196040658943781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231225031032013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115612515516306 + 115612515516307.

It is an arithmetic number, because the mean of its divisors is an integer number (115612515516307).

Almost surely, 2^{231225031032613} is an apocalyptic number.

It is an amenable number.

231225031032613 is a deficient number, since it is larger than the sum of its proper divisors (1).

231225031032613 is an equidigital number, since it uses as much as digits as its factorization.

231225031032613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 231225031032613 its reverse (316230130522132), we get a palindrome (547455161554745).

The spelling of 231225031032613 in words is "two hundred thirty-one trillion, two hundred twenty-five billion, thirty-one million, thirty-two thousand, six hundred thirteen".