303131003213012 has 24 divisors (see below), whose sum is σ = 571357915581096. Its totient is φ = 139888846245888.

The previous prime is 303131003213011. The next prime is 303131003213063. The reversal of 303131003213012 is 210312300131303.

It can be written as a sum of positive squares in 4 ways, for example, as 26467794038596 + 276663209174416 = 5144686^2 + 16633196^2 .

It is a super-2 number, since 2×303131003213012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303131003213011) 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 7 ways as a sum of consecutive naturals, for example, 369807953 + ... + 370626744.

It is an arithmetic number, because the mean of its divisors is an integer number (23806579815879).

Almost surely, 2^{303131003213012} is an apocalyptic number.

It is an amenable number.

303131003213012 is a deficient number, since it is larger than the sum of its proper divisors (268226912368084).

303131003213012 is a wasteful number, since it uses less digits than its factorization.

303131003213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740442587 (or 740442585 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 303131003213012 its reverse (210312300131303), we get a palindrome (513443303344315).

The spelling of 303131003213012 in words is "three hundred three trillion, one hundred thirty-one billion, three million, two hundred thirteen thousand, twelve".