30220431320000 has 70 divisors (see below), whose sum is σ = 74936848132608. Its totient is φ = 12088172512000.

The previous prime is 30220431319963. The next prime is 30220431320003. The reversal of 30220431320000 is 2313402203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220431320003) 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 9 ways as a sum of consecutive naturals, for example, 377715392 + ... + 377795391.

Almost surely, 2^{30220431320000} is an apocalyptic number.

It is an amenable number.

30220431320000 is an abundant number, since it is smaller than the sum of its proper divisors (44716416812608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30220431320000 is an frugal number, since it uses more digits than its factorization.

30220431320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755510815 (or 755510790 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30220431320000 its reverse (2313402203), we get a palindrome (30222744722203).

The spelling of 30220431320000 in words is "thirty trillion, two hundred twenty billion, four hundred thirty-one million, three hundred twenty thousand".