1377306311 has 2 divisors, whose sum is σ = 1377306312. Its totient is φ = 1377306310.

The previous prime is 1377306269. The next prime is 1377306313. The reversal of 1377306311 is 1136037731.

It is a strong prime.

It is an emirp because it is prime and its reverse (1136037731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1377306311 - 2¹⁰ = 1377305287 is a prime.

Together with 1377306313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377306313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688653155 + 688653156.

It is an arithmetic number, because the mean of its divisors is an integer number (688653156).

Almost surely, 2^1377306311 is an apocalyptic number.

1377306311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377306311 is an equidigital number, since it uses as much as digits as its factorization.

1377306311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 1377306311 is about 37112.0776971595. The cubic root of 1377306311 is about 1112.6114179703.

The spelling of 1377306311 in words is "one billion, three hundred seventy-seven million, three hundred six thousand, three hundred eleven".