320310211021131 has 4 divisors (see below), whose sum is σ = 427080281361512. Its totient is φ = 213540140680752.

The previous prime is 320310211021117. The next prime is 320310211021217. The reversal of 320310211021131 is 131120112013023.

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

It is not a de Polignac number, because 320310211021131 - 2³⁸ = 320035333114187 is a prime.

It is a super-2 number, since 2×320310211021131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320310211021098 and 320310211021107.

It is not an unprimeable number, because it can be changed into a prime (320310211021231) 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, 53385035170186 + ... + 53385035170191.

It is an arithmetic number, because the mean of its divisors is an integer number (106770070340378).

Almost surely, 2^{320310211021131} is an apocalyptic number.

320310211021131 is a deficient number, since it is larger than the sum of its proper divisors (106770070340381).

320310211021131 is a wasteful number, since it uses less digits than its factorization.

320310211021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106770070340380.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 320310211021131 its reverse (131120112013023), we get a palindrome (451430323034154).

The spelling of 320310211021131 in words is "three hundred twenty trillion, three hundred ten billion, two hundred eleven million, twenty-one thousand, one hundred thirty-one".