321011331012131 has 2 divisors, whose sum is σ = 321011331012132. Its totient is φ = 321011331012130.

The previous prime is 321011331012103. The next prime is 321011331012187. The reversal of 321011331012131 is 131210133110123.

It is a weak prime.

It is an emirp because it is prime and its reverse (131210133110123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321011331012131 is a prime.

It is a super-2 number, since 2×321011331012131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321011331012097 and 321011331012106.

It is not a weakly prime, because it can be changed into another prime (321011331012431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160505665506065 + 160505665506066.

It is an arithmetic number, because the mean of its divisors is an integer number (160505665506066).

Almost surely, 2^{321011331012131} is an apocalyptic number.

321011331012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

321011331012131 is an equidigital number, since it uses as much as digits as its factorization.

321011331012131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 321011331012131 its reverse (131210133110123), we get a palindrome (452221464122254).

The spelling of 321011331012131 in words is "three hundred twenty-one trillion, eleven billion, three hundred thirty-one million, twelve thousand, one hundred thirty-one".