303120012131 has 16 divisors (see below), whose sum is σ = 322778131200. Its totient is φ = 283851561888.

The previous prime is 303120012047. The next prime is 303120012193. The reversal of 303120012131 is 131210021303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-303120012131 is a prime.

It is a super-2 number, since 2×303120012131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303120012431) 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, 301121 + ... + 834813.

It is an arithmetic number, because the mean of its divisors is an integer number (20173633200).

Almost surely, 2^303120012131 is an apocalyptic number.

303120012131 is a deficient number, since it is larger than the sum of its proper divisors (19658119069).

303120012131 is a wasteful number, since it uses less digits than its factorization.

303120012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534058.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 303120012131 its reverse (131210021303), we get a palindrome (434330033434).

The spelling of 303120012131 in words is "three hundred three billion, one hundred twenty million, twelve thousand, one hundred thirty-one".