30000311220031 has 8 divisors (see below), whose sum is σ = 30815675784720. Its totient is φ = 29185185883968.

The previous prime is 30000311219969. The next prime is 30000311220067. The reversal of 30000311220031 is 13002211300003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30000311220031 - 2⁷ = 30000311219903 is a prime.

It is a super-2 number, since 2×30000311220031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30000311219987 and 30000311220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000311220431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59552926 + ... + 60054571.

It is an arithmetic number, because the mean of its divisors is an integer number (3851959473090).

Almost surely, 2^{30000311220031} is an apocalyptic number.

30000311220031 is a deficient number, since it is larger than the sum of its proper divisors (815364564689).

30000311220031 is a wasteful number, since it uses less digits than its factorization.

30000311220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119614313.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30000311220031 its reverse (13002211300003), we get a palindrome (43002522520034).

The spelling of 30000311220031 in words is "thirty trillion, three hundred eleven million, two hundred twenty thousand, thirty-one".