320422030131 has 32 divisors (see below), whose sum is σ = 494734901760. Its totient is φ = 180685177344.

The previous prime is 320422030127. The next prime is 320422030193. The reversal of 320422030131 is 131030224023.

It is not a de Polignac number, because 320422030131 - 2² = 320422030127 is a prime.

It is a super-2 number, since 2×320422030131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 320422030098 and 320422030107.

It is not an unprimeable number, because it can be changed into a prime (320422040131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248596 + ... + 838238.

It is an arithmetic number, because the mean of its divisors is an integer number (15460465680).

Almost surely, 2^320422030131 is an apocalyptic number.

320422030131 is a deficient number, since it is larger than the sum of its proper divisors (174312871629).

320422030131 is a wasteful number, since it uses less digits than its factorization.

320422030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589995.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320422030131 its reverse (131030224023), we get a palindrome (451452254154).

The spelling of 320422030131 in words is "three hundred twenty billion, four hundred twenty-two million, thirty thousand, one hundred thirty-one".