31021441474753 has 2 divisors, whose sum is σ = 31021441474754. Its totient is φ = 31021441474752.

The previous prime is 31021441474733. The next prime is 31021441474757. The reversal of 31021441474753 is 35747414412013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26313791311809 + 4707650162944 = 5129697^2 + 2169712^2 .

It is a cyclic number.

It is not a de Polignac number, because 31021441474753 - 2⁵ = 31021441474721 is a prime.

It is a super-2 number, since 2×31021441474753² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31021441474757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510720737376 + 15510720737377.

It is an arithmetic number, because the mean of its divisors is an integer number (15510720737377).

Almost surely, 2^{31021441474753} is an apocalyptic number.

It is an amenable number.

31021441474753 is a deficient number, since it is larger than the sum of its proper divisors (1).

31021441474753 is an equidigital number, since it uses as much as digits as its factorization.

31021441474753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 46.

Adding to 31021441474753 its reverse (35747414412013), we get a palindrome (66768855886766).

The spelling of 31021441474753 in words is "thirty-one trillion, twenty-one billion, four hundred forty-one million, four hundred seventy-four thousand, seven hundred fifty-three".