320211131331131 has 8 divisors (see below), whose sum is σ = 320338741207824. Its totient is φ = 320083528343040.

The previous prime is 320211131331097. The next prime is 320211131331137. The reversal of 320211131331131 is 131133131112023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320211131331131 - 2⁶ = 320211131331067 is a prime.

It is a super-2 number, since 2×320211131331131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320211131331131.

It is not an unprimeable number, because it can be changed into a prime (320211131331137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92286311 + ... + 95693183.

It is an arithmetic number, because the mean of its divisors is an integer number (40042342650978).

Almost surely, 2^{320211131331131} is an apocalyptic number.

320211131331131 is a deficient number, since it is larger than the sum of its proper divisors (127609876693).

320211131331131 is a wasteful number, since it uses less digits than its factorization.

320211131331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444301.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 320211131331131 its reverse (131133131112023), we get a palindrome (451344262443154).

The spelling of 320211131331131 in words is "three hundred twenty trillion, two hundred eleven billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty-one".