30321405756452 has 96 divisors (see below), whose sum is σ = 54300627763200. Its totient is φ = 14812227492480.

The previous prime is 30321405756451. The next prime is 30321405756461. The reversal of 30321405756452 is 25465750412303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30321405756397 and 30321405756406.

It is not an unprimeable number, because it can be changed into a prime (30321405756451) 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 31 ways as a sum of consecutive naturals, for example, 7869555758 + ... + 7869559610.

It is an arithmetic number, because the mean of its divisors is an integer number (565631539200).

Almost surely, 2^{30321405756452} is an apocalyptic number.

It is an amenable number.

30321405756452 is a deficient number, since it is larger than the sum of its proper divisors (23979222006748).

30321405756452 is a wasteful number, since it uses less digits than its factorization.

30321405756452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 30321405756452 in words is "thirty trillion, three hundred twenty-one billion, four hundred five million, seven hundred fifty-six thousand, four hundred fifty-two".