1310536340881 has 8 divisors (see below), whose sum is σ = 1388094139080. Its totient is φ = 1233030478848.

The previous prime is 1310536340879. The next prime is 1310536340887. The reversal of 1310536340881 is 1880436350131.

It can be written as a sum of positive squares in 4 ways, for example, as 79191025281 + 1231345315600 = 281409^2 + 1109660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310536340881 - 2¹ = 1310536340879 is a prime.

It is a super-2 number, since 2×1310536340881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310536340887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12932076 + ... + 13033021.

It is an arithmetic number, because the mean of its divisors is an integer number (173511767385).

Almost surely, 2^{1310536340881} is an apocalyptic number.

It is an amenable number.

1310536340881 is a deficient number, since it is larger than the sum of its proper divisors (77557798199).

1310536340881 is a wasteful number, since it uses less digits than its factorization.

1310536340881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25968083.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 1310536340881 in words is "one trillion, three hundred ten billion, five hundred thirty-six million, three hundred forty thousand, eight hundred eighty-one".