1530813331 has 16 divisors (see below), whose sum is σ = 1639630080. Its totient is φ = 1424148480.

The previous prime is 1530813313. The next prime is 1530813353. The reversal of 1530813331 is 1333180351.

It is not a de Polignac number, because 1530813331 - 2¹¹ = 1530811283 is a prime.

It is a super-2 number, since 2×1530813331² = 4686778908734631122, 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 1530813331.

It is not an unprimeable number, because it can be changed into a prime (1530813311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124091 + ... + 1125451.

It is an arithmetic number, because the mean of its divisors is an integer number (102476880).

Almost surely, 2^1530813331 is an apocalyptic number.

1530813331 is a deficient number, since it is larger than the sum of its proper divisors (108816749).

1530813331 is a wasteful number, since it uses less digits than its factorization.

1530813331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1530813331 is about 39125.6096565919. The cubic root of 1530813331 is about 1152.4994988101.

Adding to 1530813331 its reverse (1333180351), we get a palindrome (2863993682).

The spelling of 1530813331 in words is "one billion, five hundred thirty million, eight hundred thirteen thousand, three hundred thirty-one".