30000311219969 has 2 divisors, whose sum is σ = 30000311219970. Its totient is φ = 30000311219968.

The previous prime is 30000311219951. The next prime is 30000311220067. The reversal of 30000311219969 is 96991211300003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27111942989569 + 2888368230400 = 5206913^2 + 1699520^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000311219969 - 2⁸ = 30000311219713 is a prime.

It is a super-2 number, since 2×30000311219969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30000311219869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000155609984 + 15000155609985.

It is an arithmetic number, because the mean of its divisors is an integer number (15000155609985).

Almost surely, 2^{30000311219969} is an apocalyptic number.

It is an amenable number.

30000311219969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000311219969 is an equidigital number, since it uses as much as digits as its factorization.

30000311219969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 30000311219969 in words is "thirty trillion, three hundred eleven million, two hundred nineteen thousand, nine hundred sixty-nine".