31220532010253 has 2 divisors, whose sum is σ = 31220532010254. Its totient is φ = 31220532010252.

The previous prime is 31220532010247. The next prime is 31220532010277. The reversal of 31220532010253 is 35201023502213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31217720147524 + 2811862729 = 5587282^2 + 53027^2 .

It is a cyclic number.

It is not a de Polignac number, because 31220532010253 - 2¹⁴ = 31220531993869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31220532070253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15610266005126 + 15610266005127.

It is an arithmetic number, because the mean of its divisors is an integer number (15610266005127).

Almost surely, 2^{31220532010253} is an apocalyptic number.

It is an amenable number.

31220532010253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31220532010253 is an equidigital number, since it uses as much as digits as its factorization.

31220532010253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 31220532010253 its reverse (35201023502213), we get a palindrome (66421555512466).

The spelling of 31220532010253 in words is "thirty-one trillion, two hundred twenty billion, five hundred thirty-two million, ten thousand, two hundred fifty-three".