131133212133233 has 2 divisors, whose sum is σ = 131133212133234. Its totient is φ = 131133212133232.

The previous prime is 131133212133191. The next prime is 131133212133349. The reversal of 131133212133233 is 332331212331131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90743475727969 + 40389736405264 = 9525937^2 + 6355292^2 .

It is a cyclic number.

It is not a de Polignac number, because 131133212133233 - 2¹⁸ = 131133211871089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131133212133233.

It is not a weakly prime, because it can be changed into another prime (131133212133533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566606066616 + 65566606066617.

It is an arithmetic number, because the mean of its divisors is an integer number (65566606066617).

Almost surely, 2^{131133212133233} is an apocalyptic number.

It is an amenable number.

131133212133233 is a deficient number, since it is larger than the sum of its proper divisors (1).

131133212133233 is an equidigital number, since it uses as much as digits as its factorization.

131133212133233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 32.

Adding to 131133212133233 its reverse (332331212331131), we get a palindrome (463464424464364).

The spelling of 131133212133233 in words is "one hundred thirty-one trillion, one hundred thirty-three billion, two hundred twelve million, one hundred thirty-three thousand, two hundred thirty-three".