313231341473 has 2 divisors, whose sum is σ = 313231341474. Its totient is φ = 313231341472.

The previous prime is 313231341427. The next prime is 313231341499. The reversal of 313231341473 is 374143132313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282824003344 + 30407338129 = 531812^2 + 174377^2 .

It is a cyclic number.

It is not a de Polignac number, because 313231341473 - 2¹⁰ = 313231340449 is a prime.

It is a super-2 number, since 2×313231341473² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313231341173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156615670736 + 156615670737.

It is an arithmetic number, because the mean of its divisors is an integer number (156615670737).

Almost surely, 2^313231341473 is an apocalyptic number.

It is an amenable number.

313231341473 is a deficient number, since it is larger than the sum of its proper divisors (1).

313231341473 is an equidigital number, since it uses as much as digits as its factorization.

313231341473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

Adding to 313231341473 its reverse (374143132313), we get a palindrome (687374473786).

The spelling of 313231341473 in words is "three hundred thirteen billion, two hundred thirty-one million, three hundred forty-one thousand, four hundred seventy-three".