1310311487 has 2 divisors, whose sum is σ = 1310311488. Its totient is φ = 1310311486.

The previous prime is 1310311469. The next prime is 1310311507. The reversal of 1310311487 is 7841130131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310311487 - 2⁶ = 1310311423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310311427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655155743 + 655155744.

It is an arithmetic number, because the mean of its divisors is an integer number (655155744).

Almost surely, 2^1310311487 is an apocalyptic number.

1310311487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310311487 is an equidigital number, since it uses as much as digits as its factorization.

1310311487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1310311487 is about 36198.2249150425. The cubic root of 1310311487 is about 1094.2708981926.

The spelling of 1310311487 in words is "one billion, three hundred ten million, three hundred eleven thousand, four hundred eighty-seven".