1303140424221 has 12 divisors (see below), whose sum is σ = 1885250481660. Its totient is φ = 867404958720.

The previous prime is 1303140424219. The next prime is 1303140424301. The reversal of 1303140424221 is 1224240413031.

1303140424221 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 14 + 0 + 424 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 490238028900 + 812902395321 = 700170^2 + 901611^2 .

It is not a de Polignac number, because 1303140424221 - 2¹ = 1303140424219 is a prime.

It is a super-3 number, since 3×1303140424221³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303140424121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112937586 + ... + 112949123.

It is an arithmetic number, because the mean of its divisors is an integer number (157104206805).

Almost surely, 2^{1303140424221} is an apocalyptic number.

It is an amenable number.

1303140424221 is a deficient number, since it is larger than the sum of its proper divisors (582110057439).

1303140424221 is a wasteful number, since it uses less digits than its factorization.

1303140424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225887356 (or 225887353 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1303140424221 its reverse (1224240413031), we get a palindrome (2527380837252).

The spelling of 1303140424221 in words is "one trillion, three hundred three billion, one hundred forty million, four hundred twenty-four thousand, two hundred twenty-one".