1530324531103 has 4 divisors (see below), whose sum is σ = 1556262235080. Its totient is φ = 1504386827128.

The previous prime is 1530324531097. The next prime is 1530324531107. The reversal of 1530324531103 is 3011354230351.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1530324531103 - 2²⁵ = 1530290976671 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 (1530324531107) 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, 12968851900 + ... + 12968852017.

It is an arithmetic number, because the mean of its divisors is an integer number (389065558770).

Almost surely, 2^{1530324531103} is an apocalyptic number.

1530324531103 is a deficient number, since it is larger than the sum of its proper divisors (25937703977).

1530324531103 is an equidigital number, since it uses as much as digits as its factorization.

1530324531103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25937703976.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1530324531103 its reverse (3011354230351), we get a palindrome (4541678761454).

The spelling of 1530324531103 in words is "one trillion, five hundred thirty billion, three hundred twenty-four million, five hundred thirty-one thousand, one hundred three".