1530013343 has 4 divisors (see below), whose sum is σ = 1532693448. Its totient is φ = 1527333240.

The previous prime is 1530013297. The next prime is 1530013357. The reversal of 1530013343 is 3433100351.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1530013343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530013393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339196 + ... + 1340337.

It is an arithmetic number, because the mean of its divisors is an integer number (383173362).

Almost surely, 2^1530013343 is an apocalyptic number.

1530013343 is a deficient number, since it is larger than the sum of its proper divisors (2680105).

1530013343 is an equidigital number, since it uses as much as digits as its factorization.

1530013343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680104.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1530013343 is about 39115.3849910748. The cubic root of 1530013343 is about 1152.2987021913.

Adding to 1530013343 its reverse (3433100351), we get a palindrome (4963113694).

The spelling of 1530013343 in words is "one billion, five hundred thirty million, thirteen thousand, three hundred forty-three".