1380334231 has 2 divisors, whose sum is σ = 1380334232. Its totient is φ = 1380334230.

The previous prime is 1380334229. The next prime is 1380334301. The reversal of 1380334231 is 1324330831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1324330831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1380334231 - 2¹ = 1380334229 is a prime.

It is a super-2 number, since 2×1380334231² = 3810645178540722722, which contains 22 as substring.

Together with 1380334229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1380334231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380334931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690167115 + 690167116.

It is an arithmetic number, because the mean of its divisors is an integer number (690167116).

Almost surely, 2^1380334231 is an apocalyptic number.

1380334231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380334231 is an equidigital number, since it uses as much as digits as its factorization.

1380334231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1380334231 is about 37152.8495676980. The cubic root of 1380334231 is about 1113.4261562701.

The spelling of 1380334231 in words is "one billion, three hundred eighty million, three hundred thirty-four thousand, two hundred thirty-one".