321300203131 has 2 divisors, whose sum is σ = 321300203132. Its totient is φ = 321300203130.

The previous prime is 321300203117. The next prime is 321300203177. The reversal of 321300203131 is 131302003123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321300203131 is a prime.

It is a super-2 number, since 2×321300203131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321300203099 and 321300203108.

It is not a weakly prime, because it can be changed into another prime (321300203431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160650101565 + 160650101566.

It is an arithmetic number, because the mean of its divisors is an integer number (160650101566).

Almost surely, 2^321300203131 is an apocalyptic number.

321300203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

321300203131 is an equidigital number, since it uses as much as digits as its factorization.

321300203131 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 19.

Adding to 321300203131 its reverse (131302003123), we get a palindrome (452602206254).

The spelling of 321300203131 in words is "three hundred twenty-one billion, three hundred million, two hundred three thousand, one hundred thirty-one".