1083869531 has 2 divisors, whose sum is σ = 1083869532. Its totient is φ = 1083869530.

The previous prime is 1083869509. The next prime is 1083869543. The reversal of 1083869531 is 1359683801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083869531 is a prime.

It is a super-2 number, since 2×1083869531² = 2349546320460319922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1083869581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541934765 + 541934766.

It is an arithmetic number, because the mean of its divisors is an integer number (541934766).

Almost surely, 2^1083869531 is an apocalyptic number.

1083869531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083869531 is an equidigital number, since it uses as much as digits as its factorization.

1083869531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1083869531 is about 32922.1738498538. The cubic root of 1083869531 is about 1027.2094417429.

The spelling of 1083869531 in words is "one billion, eighty-three million, eight hundred sixty-nine thousand, five hundred thirty-one".