30213331320 has 256 divisors, whose sum is σ = 94666682880. Its totient is φ = 7708262400.

The previous prime is 30213331303. The next prime is 30213331349. The reversal of 30213331320 is 2313331203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98414607 + ... + 98414913.

It is an arithmetic number, because the mean of its divisors is an integer number (369791730).

Almost surely, 2^30213331320 is an apocalyptic number.

30213331320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30213331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47333341440).

30213331320 is an abundant number, since it is smaller than the sum of its proper divisors (64453351560).

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

30213331320 is a wasteful number, since it uses less digits than its factorization.

30213331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30213331320 its reverse (2313331203), we get a palindrome (32526662523).

It can be divided in two parts, 30213331 and 320, that added together give a triangular number (30213651 = T₇₇₇₃).

The spelling of 30213331320 in words is "thirty billion, two hundred thirteen million, three hundred thirty-one thousand, three hundred twenty".