1310121310189 has 2 divisors, whose sum is σ = 1310121310190. Its totient is φ = 1310121310188.

The previous prime is 1310121310103. The next prime is 1310121310229. The reversal of 1310121310189 is 9810131210131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911770987689 + 398350322500 = 954867^2 + 631150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310121310189 - 2¹⁷ = 1310121179117 is a prime.

It is a super-2 number, since 2×1310121310189² (a number of 25 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 1310121310189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310121310489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655060655094 + 655060655095.

It is an arithmetic number, because the mean of its divisors is an integer number (655060655095).

Almost surely, 2^{1310121310189} is an apocalyptic number.

It is an amenable number.

1310121310189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310121310189 is an equidigital number, since it uses as much as digits as its factorization.

1310121310189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 1310121310189 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, three hundred ten thousand, one hundred eighty-nine".