1313554500361 has 2 divisors, whose sum is σ = 1313554500362. Its totient is φ = 1313554500360.

The previous prime is 1313554500347. The next prime is 1313554500373. The reversal of 1313554500361 is 1630054553131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301595765625 + 11958734736 = 1140875^2 + 109356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313554500361 - 2⁷ = 1313554500233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313554500361.

It is not a weakly prime, because it can be changed into another prime (1313554506361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656777250180 + 656777250181.

It is an arithmetic number, because the mean of its divisors is an integer number (656777250181).

Almost surely, 2^{1313554500361} is an apocalyptic number.

It is an amenable number.

1313554500361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313554500361 is an equidigital number, since it uses as much as digits as its factorization.

1313554500361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 1313554500361 in words is "one trillion, three hundred thirteen billion, five hundred fifty-four million, five hundred thousand, three hundred sixty-one".