30313451320 has 32 divisors (see below), whose sum is σ = 68391144000. Its totient is φ = 12092335488.

The previous prime is 30313451309. The next prime is 30313451321. The reversal of 30313451320 is 2315431303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313451321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017795 + ... + 1047154.

It is an arithmetic number, because the mean of its divisors is an integer number (2137223250).

Almost surely, 2^30313451320 is an apocalyptic number.

It is an amenable number.

30313451320 is an abundant number, since it is smaller than the sum of its proper divisors (38077692680).

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

30313451320 is a wasteful number, since it uses less digits than its factorization.

30313451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065327 (or 2065323 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 30313451320 its reverse (2315431303), we get a palindrome (32628882623).

The spelling of 30313451320 in words is "thirty billion, three hundred thirteen million, four hundred fifty-one thousand, three hundred twenty".