1308987323041 has 4 divisors (see below), whose sum is σ = 1318541975172. Its totient is φ = 1299432670912.

The previous prime is 1308987323023. The next prime is 1308987323047. The reversal of 1308987323041 is 1403237898031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1140624000000 + 168363323041 = 1068000^2 + 410321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1308987323041 is a prime.

It is a super-3 number, since 3×1308987323041³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308987323047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4777325860 + ... + 4777326133.

It is an arithmetic number, because the mean of its divisors is an integer number (329635493793).

Almost surely, 2^{1308987323041} is an apocalyptic number.

It is an amenable number.

1308987323041 is a deficient number, since it is larger than the sum of its proper divisors (9554652131).

1308987323041 is an equidigital number, since it uses as much as digits as its factorization.

1308987323041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554652130.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 1308987323041 in words is "one trillion, three hundred eight billion, nine hundred eighty-seven million, three hundred twenty-three thousand, forty-one".