231334431431353 has 2 divisors, whose sum is σ = 231334431431354. Its totient is φ = 231334431431352.

The previous prime is 231334431431339. The next prime is 231334431431359. The reversal of 231334431431353 is 353134134433132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207810301803129 + 23524129628224 = 14415627^2 + 4850168^2 .

It is a cyclic number.

It is not a de Polignac number, because 231334431431353 - 2²¹ = 231334429334201 is a prime.

It is not a weakly prime, because it can be changed into another prime (231334431431359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115667215715676 + 115667215715677.

It is an arithmetic number, because the mean of its divisors is an integer number (115667215715677).

Almost surely, 2^{231334431431353} is an apocalyptic number.

It is an amenable number.

231334431431353 is a deficient number, since it is larger than the sum of its proper divisors (1).

231334431431353 is an equidigital number, since it uses as much as digits as its factorization.

231334431431353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 43.

Adding to 231334431431353 its reverse (353134134433132), we get a palindrome (584468565864485).

The spelling of 231334431431353 in words is "two hundred thirty-one trillion, three hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-one thousand, three hundred fifty-three".