1383315287 has 2 divisors, whose sum is σ = 1383315288. Its totient is φ = 1383315286.

The previous prime is 1383315259. The next prime is 1383315343. The reversal of 1383315287 is 7825133831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1383315287 - 2¹⁸ = 1383053143 is a prime.

It is a super-2 number, since 2×1383315287² = 3827122366495784738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383335287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691657643 + 691657644.

It is an arithmetic number, because the mean of its divisors is an integer number (691657644).

Almost surely, 2^1383315287 is an apocalyptic number.

1383315287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383315287 is an equidigital number, since it uses as much as digits as its factorization.

1383315287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 1383315287 is about 37192.9467372511. The cubic root of 1383315287 is about 1114.2271214933.

The spelling of 1383315287 in words is "one billion, three hundred eighty-three million, three hundred fifteen thousand, two hundred eighty-seven".