1313322111037 has 2 divisors, whose sum is σ = 1313322111038. Its totient is φ = 1313322111036.

The previous prime is 1313322111007. The next prime is 1313322111061. The reversal of 1313322111037 is 7301112233131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1310415930756 + 2906180281 = 1144734^2 + 53909^2 .

It is an emirp because it is prime and its reverse (7301112233131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313322111037 - 2²³ = 1313313722429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313322110996 and 1313322111014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313322111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656661055518 + 656661055519.

It is an arithmetic number, because the mean of its divisors is an integer number (656661055519).

Almost surely, 2^{1313322111037} is an apocalyptic number.

It is an amenable number.

1313322111037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313322111037 is an equidigital number, since it uses as much as digits as its factorization.

1313322111037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 1313322111037 its reverse (7301112233131), we get a palindrome (8614434344168).

The spelling of 1313322111037 in words is "one trillion, three hundred thirteen billion, three hundred twenty-two million, one hundred eleven thousand, thirty-seven".