31432533433253 has 2 divisors, whose sum is σ = 31432533433254. Its totient is φ = 31432533433252.

The previous prime is 31432533433193. The next prime is 31432533433391. The reversal of 31432533433253 is 35233433523413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26729954690404 + 4702578742849 = 5170102^2 + 2168543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31432533433253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31432533433753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15716266716626 + 15716266716627.

It is an arithmetic number, because the mean of its divisors is an integer number (15716266716627).

Almost surely, 2^{31432533433253} is an apocalyptic number.

It is an amenable number.

31432533433253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31432533433253 is an equidigital number, since it uses as much as digits as its factorization.

31432533433253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 44.

Adding to 31432533433253 its reverse (35233433523413), we get a palindrome (66665966956666).

The spelling of 31432533433253 in words is "thirty-one trillion, four hundred thirty-two billion, five hundred thirty-three million, four hundred thirty-three thousand, two hundred fifty-three".