1083807316931 has 2 divisors, whose sum is σ = 1083807316932. Its totient is φ = 1083807316930.

The previous prime is 1083807316903. The next prime is 1083807316981. The reversal of 1083807316931 is 1396137083801.

It is an a-pointer prime, because the next prime (1083807316981) can be obtained adding 1083807316931 to its sum of digits (50).

It is a weak prime.

It is an emirp because it is prime and its reverse (1396137083801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1083807316931 - 2²² = 1083803122627 is a prime.

It is a super-2 number, since 2×1083807316931² (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 1083807316931.

It is not a weakly prime, because it can be changed into another prime (1083807316981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541903658465 + 541903658466.

It is an arithmetic number, because the mean of its divisors is an integer number (541903658466).

Almost surely, 2^{1083807316931} is an apocalyptic number.

1083807316931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083807316931 is an equidigital number, since it uses as much as digits as its factorization.

1083807316931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 1083807316931 in words is "one trillion, eighty-three billion, eight hundred seven million, three hundred sixteen thousand, nine hundred thirty-one".