303140245231 has 24 divisors (see below), whose sum is σ = 324498370560. Its totient is φ = 283114218384.

The previous prime is 303140245207. The next prime is 303140245277. The reversal of 303140245231 is 132542041303.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-303140245231 is a prime.

It is a super-2 number, since 2×303140245231² (a number of 24 digits) 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 303140245231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303140242231) 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 23 ways as a sum of consecutive naturals, for example, 8273530 + ... + 8310088.

It is an arithmetic number, because the mean of its divisors is an integer number (13520765440).

Almost surely, 2^303140245231 is an apocalyptic number.

303140245231 is a deficient number, since it is larger than the sum of its proper divisors (21358125329).

303140245231 is a wasteful number, since it uses less digits than its factorization.

303140245231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36923 (or 36904 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 303140245231 its reverse (132542041303), we get a palindrome (435682286534).

The spelling of 303140245231 in words is "three hundred three billion, one hundred forty million, two hundred forty-five thousand, two hundred thirty-one".