131313232211933 has 2 divisors, whose sum is σ = 131313232211934. Its totient is φ = 131313232211932.

The previous prime is 131313232211929. The next prime is 131313232212049. The reversal of 131313232211933 is 339112232313131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129754584834169 + 1558647377764 = 11390987^2 + 1248458^2 .

It is an emirp because it is prime and its reverse (339112232313131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131313232211933 - 2² = 131313232211929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131313232211333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656616105966 + 65656616105967.

It is an arithmetic number, because the mean of its divisors is an integer number (65656616105967).

Almost surely, 2^{131313232211933} is an apocalyptic number.

It is an amenable number.

131313232211933 is a deficient number, since it is larger than the sum of its proper divisors (1).

131313232211933 is an equidigital number, since it uses as much as digits as its factorization.

131313232211933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The spelling of 131313232211933 in words is "one hundred thirty-one trillion, three hundred thirteen billion, two hundred thirty-two million, two hundred eleven thousand, nine hundred thirty-three".