1330385043 has 16 divisors (see below), whose sum is σ = 1934481920. Its totient is φ = 808333344.

The previous prime is 1330385011. The next prime is 1330385053. The reversal of 1330385043 is 3405830331.

It is not a de Polignac number, because 1330385043 - 2⁵ = 1330385011 is a prime.

It is a super-2 number, since 2×1330385043² = 3539848725276223698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330385043.

It is not an unprimeable number, because it can be changed into a prime (1330385053) 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 in 15 ways as a sum of consecutive naturals, for example, 212821 + ... + 218982.

It is an arithmetic number, because the mean of its divisors is an integer number (120905120).

Almost surely, 2^1330385043 is an apocalyptic number.

1330385043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1330385043 is a deficient number, since it is larger than the sum of its proper divisors (604096877).

1330385043 is a wasteful number, since it uses less digits than its factorization.

1330385043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431898.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1330385043 is about 36474.4436969229. The cubic root of 1330385043 is about 1099.8305642609.

It can be divided in two parts, 13303 and 85043, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 1330385043 in words is "one billion, three hundred thirty million, three hundred eighty-five thousand, forty-three".