201310323131 has 2 divisors, whose sum is σ = 201310323132. Its totient is φ = 201310323130.

The previous prime is 201310323079. The next prime is 201310323167. The reversal of 201310323131 is 131323013102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201310323131 - 2²² = 201306128827 is a prime.

It is a super-2 number, since 2×201310323131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201010323131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655161565 + 100655161566.

It is an arithmetic number, because the mean of its divisors is an integer number (100655161566).

Almost surely, 2^201310323131 is an apocalyptic number.

201310323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

201310323131 is an equidigital number, since it uses as much as digits as its factorization.

201310323131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201310323131 its reverse (131323013102), we get a palindrome (332633336233).

The spelling of 201310323131 in words is "two hundred one billion, three hundred ten million, three hundred twenty-three thousand, one hundred thirty-one".