320222220000131 has 4 divisors (see below), whose sum is σ = 334144925217552. Its totient is φ = 306299514782712.

The previous prime is 320222220000049. The next prime is 320222220000139. The reversal of 320222220000131 is 131000022222023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 320222220000131 - 2¹⁴ = 320222219983747 is a prime.

It is a super-2 number, since 2×320222220000131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320222220000139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6961352608676 + ... + 6961352608721.

It is an arithmetic number, because the mean of its divisors is an integer number (83536231304388).

Almost surely, 2^{320222220000131} is an apocalyptic number.

320222220000131 is a deficient number, since it is larger than the sum of its proper divisors (13922705217421).

320222220000131 is a wasteful number, since it uses less digits than its factorization.

320222220000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922705217420.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320222220000131 its reverse (131000022222023), we get a palindrome (451222242222154).

The spelling of 320222220000131 in words is "three hundred twenty trillion, two hundred twenty-two billion, two hundred twenty million, one hundred thirty-one", and thus it is an aban number.