313142202241381 has 2 divisors, whose sum is σ = 313142202241382. Its totient is φ = 313142202241380.

The previous prime is 313142202241301. The next prime is 313142202241433. The reversal of 313142202241381 is 183142202241313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279779448638881 + 33362753602500 = 16726609^2 + 5776050^2 .

It is a cyclic number.

It is not a de Polignac number, because 313142202241381 - 2¹¹ = 313142202239333 is a prime.

It is a super-2 number, since 2×313142202241381² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313142202241381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313142202241301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156571101120690 + 156571101120691.

It is an arithmetic number, because the mean of its divisors is an integer number (156571101120691).

Almost surely, 2^{313142202241381} is an apocalyptic number.

It is an amenable number.

313142202241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

313142202241381 is an equidigital number, since it uses as much as digits as its factorization.

313142202241381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 313142202241381 its reverse (183142202241313), we get a palindrome (496284404482694).

The spelling of 313142202241381 in words is "three hundred thirteen trillion, one hundred forty-two billion, two hundred two million, two hundred forty-one thousand, three hundred eighty-one".