1100313230381 has 2 divisors, whose sum is σ = 1100313230382. Its totient is φ = 1100313230380.

The previous prime is 1100313230377. The next prime is 1100313230383. The reversal of 1100313230381 is 1830323130011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 741441544900 + 358871685481 = 861070^2 + 599059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100313230381 - 2² = 1100313230377 is a prime.

It is a super-2 number, since 2×1100313230381² (a number of 25 digits) contains 22 as substring.

Together with 1100313230383, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100313230381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100313230383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550156615190 + 550156615191.

It is an arithmetic number, because the mean of its divisors is an integer number (550156615191).

Almost surely, 2^{1100313230381} is an apocalyptic number.

It is an amenable number.

1100313230381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100313230381 is an equidigital number, since it uses as much as digits as its factorization.

1100313230381 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 26.

Adding to 1100313230381 its reverse (1830323130011), we get a palindrome (2930636360392).

The spelling of 1100313230381 in words is "one trillion, one hundred billion, three hundred thirteen million, two hundred thirty thousand, three hundred eighty-one".