31043124240353 has 2 divisors, whose sum is σ = 31043124240354. Its totient is φ = 31043124240352.

The previous prime is 31043124240307. The next prime is 31043124240361. The reversal of 31043124240353 is 35304242134013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17628141193744 + 13414983046609 = 4198588^2 + 3662647^2 .

It is an emirp because it is prime and its reverse (35304242134013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31043124240353 - 2²⁰ = 31043123191777 is a prime.

It is not a weakly prime, because it can be changed into another prime (31043124200353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15521562120176 + 15521562120177.

It is an arithmetic number, because the mean of its divisors is an integer number (15521562120177).

Almost surely, 2^{31043124240353} is an apocalyptic number.

It is an amenable number.

31043124240353 is a deficient number, since it is larger than the sum of its proper divisors (1).

31043124240353 is an equidigital number, since it uses as much as digits as its factorization.

31043124240353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 31043124240353 its reverse (35304242134013), we get a palindrome (66347366374366).

The spelling of 31043124240353 in words is "thirty-one trillion, forty-three billion, one hundred twenty-four million, two hundred forty thousand, three hundred fifty-three".