30131010320 has 40 divisors (see below), whose sum is σ = 70063681560. Its totient is φ = 12050841600.

The previous prime is 30131010319. The next prime is 30131010359. The reversal of 30131010320 is 2301013103.

It can be written as a sum of positive squares in 4 ways, for example, as 16541046544 + 13589963776 = 128612^2 + 116576^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 30131010295 and 30131010304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748466 + ... + 787694.

It is an arithmetic number, because the mean of its divisors is an integer number (1751592039).

Almost surely, 2^30131010320 is an apocalyptic number.

It is an amenable number.

30131010320 is an abundant number, since it is smaller than the sum of its proper divisors (39932671240).

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

30131010320 is a wasteful number, since it uses less digits than its factorization.

30131010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48843 (or 48837 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30131010320 its reverse (2301013103), we get a palindrome (32432023423).

The spelling of 30131010320 in words is "thirty billion, one hundred thirty-one million, ten thousand, three hundred twenty".