30211001303312 has 20 divisors (see below), whose sum is σ = 58534534627020. Its totient is φ = 15105314947968.

The previous prime is 30211001303303. The next prime is 30211001303317. The reversal of 30211001303312 is 21330310011203.

It can be written as a sum of positive squares in 2 ways, for example, as 26042609414416 + 4168391888896 = 5103196^2 + 2041664^2 .

It is not an unprimeable number, because it can be changed into a prime (30211001303317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10259603 + ... + 12871730.

It is an arithmetic number, because the mean of its divisors is an integer number (2926726731351).

Almost surely, 2^{30211001303312} is an apocalyptic number.

It is an amenable number.

30211001303312 is a deficient number, since it is larger than the sum of its proper divisors (28323533323708).

30211001303312 is a wasteful number, since it uses less digits than its factorization.

30211001303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212970 (or 23212964 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30211001303312 its reverse (21330310011203), we get a palindrome (51541311314515).

The spelling of 30211001303312 in words is "thirty trillion, two hundred eleven billion, one million, three hundred three thousand, three hundred twelve".