1030303144521 has 64 divisors (see below), whose sum is σ = 1792770201600. Its totient is φ = 572450597568.

The previous prime is 1030303144489. The next prime is 1030303144561. The reversal of 1030303144521 is 1254413030301.

It is a happy number.

1030303144521 is a `hidden beast` number, since 1 + 0 + 303 + 0 + 314 + 45 + 2 + 1 = 666.

It is not a de Polignac number, because 1030303144521 - 2⁵ = 1030303144489 is a prime.

It is a super-2 number, since 2×1030303144521² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1030303144561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10601970 + ... + 10698708.

It is an arithmetic number, because the mean of its divisors is an integer number (28012034400).

Almost surely, 2^{1030303144521} is an apocalyptic number.

It is an amenable number.

1030303144521 is a deficient number, since it is larger than the sum of its proper divisors (762467057079).

1030303144521 is a wasteful number, since it uses less digits than its factorization.

1030303144521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98315 (or 98309 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1030303144521 its reverse (1254413030301), we get a palindrome (2284716174822).

The spelling of 1030303144521 in words is "one trillion, thirty billion, three hundred three million, one hundred forty-four thousand, five hundred twenty-one".