320031125442 has 96 divisors (see below), whose sum is σ = 829081324800. Its totient is φ = 91239626016.

The previous prime is 320031125431. The next prime is 320031125467. The reversal of 320031125442 is 244521130023.

320031125442 is a `hidden beast` number, since 3 + 2 + 0 + 0 + 3 + 112 + 544 + 2 = 666.

320031125442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1094484 + ... + 1355712.

It is an arithmetic number, because the mean of its divisors is an integer number (8636263800).

Almost surely, 2^320031125442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320031125442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414540662400).

320031125442 is an abundant number, since it is smaller than the sum of its proper divisors (509050199358).

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

320031125442 is a wasteful number, since it uses less digits than its factorization.

320031125442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261717 (or 261704 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 320031125442 its reverse (244521130023), we get a palindrome (564552255465).

The spelling of 320031125442 in words is "three hundred twenty billion, thirty-one million, one hundred twenty-five thousand, four hundred forty-two".