973131131353 has 2 divisors, whose sum is σ = 973131131354. Its totient is φ = 973131131352.

The previous prime is 973131131333. The next prime is 973131131437. The reversal of 973131131353 is 353131131379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733331897104 + 239799234249 = 856348^2 + 489693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973131131353 is a prime.

It is a super-2 number, since 2×973131131353² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (973131131333) 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, 486565565676 + 486565565677.

It is an arithmetic number, because the mean of its divisors is an integer number (486565565677).

Almost surely, 2^973131131353 is an apocalyptic number.

It is an amenable number.

973131131353 is a deficient number, since it is larger than the sum of its proper divisors (1).

973131131353 is an equidigital number, since it uses as much as digits as its factorization.

973131131353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 40.

The spelling of 973131131353 in words is "nine hundred seventy-three billion, one hundred thirty-one million, one hundred thirty-one thousand, three hundred fifty-three".