31248455353 has 2 divisors, whose sum is σ = 31248455354. Its totient is φ = 31248455352.

The previous prime is 31248455321. The next prime is 31248455417. The reversal of 31248455353 is 35355484213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30559235344 + 689220009 = 174812^2 + 26253^2 .

It is a cyclic number.

It is not a de Polignac number, because 31248455353 - 2⁵ = 31248455321 is a prime.

It is not a weakly prime, because it can be changed into another prime (31248450353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15624227676 + 15624227677.

It is an arithmetic number, because the mean of its divisors is an integer number (15624227677).

Almost surely, 2^31248455353 is an apocalyptic number.

It is an amenable number.

31248455353 is a deficient number, since it is larger than the sum of its proper divisors (1).

31248455353 is an equidigital number, since it uses as much as digits as its factorization.

31248455353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 43.

The spelling of 31248455353 in words is "thirty-one billion, two hundred forty-eight million, four hundred fifty-five thousand, three hundred fifty-three".