1311735127 has 2 divisors, whose sum is σ = 1311735128. Its totient is φ = 1311735126.

The previous prime is 1311735119. The next prime is 1311735169. The reversal of 1311735127 is 7215371131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311735127 - 2³ = 1311735119 is a prime.

It is a super-2 number, since 2×1311735127² = 3441298086811412258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311733127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655867563 + 655867564.

It is an arithmetic number, because the mean of its divisors is an integer number (655867564).

Almost surely, 2^1311735127 is an apocalyptic number.

1311735127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311735127 is an equidigital number, since it uses as much as digits as its factorization.

1311735127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 31.

The square root of 1311735127 is about 36217.8840767928. The cubic root of 1311735127 is about 1094.6670594571.

The spelling of 1311735127 in words is "one billion, three hundred eleven million, seven hundred thirty-five thousand, one hundred twenty-seven".