1383081043 has 4 divisors (see below), whose sum is σ = 1383341968. Its totient is φ = 1382820120.

The previous prime is 1383081031. The next prime is 1383081047. The reversal of 1383081043 is 3401803831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3401803831 = 43 ⋅79111717.

It is a cyclic number.

It is not a de Polignac number, because 1383081043 - 2²⁵ = 1349526611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1383080996 and 1383081014.

It is not an unprimeable number, because it can be changed into a prime (1383081047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122343 + ... + 133168.

It is an arithmetic number, because the mean of its divisors is an integer number (345835492).

Almost surely, 2^1383081043 is an apocalyptic number.

1383081043 is a deficient number, since it is larger than the sum of its proper divisors (260925).

1383081043 is an equidigital number, since it uses as much as digits as its factorization.

1383081043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260924.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1383081043 is about 37189.7975659992. The cubic root of 1383081043 is about 1114.1642253110.

Adding to 1383081043 its reverse (3401803831), we get a palindrome (4784884874).

The spelling of 1383081043 in words is "one billion, three hundred eighty-three million, eighty-one thousand, forty-three".