31424533443253 has 2 divisors, whose sum is σ = 31424533443254. Its totient is φ = 31424533443252.

The previous prime is 31424533443221. The next prime is 31424533443263. The reversal of 31424533443253 is 35234433542413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20089238338404 + 11335295104849 = 4482102^2 + 3366793^2 .

It is a cyclic number.

It is not a de Polignac number, because 31424533443253 - 2⁵ = 31424533443221 is a prime.

It is a super-2 number, since 2×31424533443253² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31424533443263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712266721626 + 15712266721627.

It is an arithmetic number, because the mean of its divisors is an integer number (15712266721627).

Almost surely, 2^{31424533443253} is an apocalyptic number.

It is an amenable number.

31424533443253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424533443253 is an equidigital number, since it uses as much as digits as its factorization.

31424533443253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 46.

Adding to 31424533443253 its reverse (35234433542413), we get a palindrome (66658966985666).

The spelling of 31424533443253 in words is "thirty-one trillion, four hundred twenty-four billion, five hundred thirty-three million, four hundred forty-three thousand, two hundred fifty-three".