331232121412177 has 2 divisors, whose sum is σ = 331232121412178. Its totient is φ = 331232121412176.

The previous prime is 331232121412163. The next prime is 331232121412217. The reversal of 331232121412177 is 771214121232133.

It is an a-pointer prime, because the next prime (331232121412217) can be obtained adding 331232121412177 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265937948220816 + 65294173191361 = 16307604^2 + 8080481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331232121412177 is a prime.

It is a super-2 number, since 2×331232121412177² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331232121413177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165616060706088 + 165616060706089.

It is an arithmetic number, because the mean of its divisors is an integer number (165616060706089).

Almost surely, 2^{331232121412177} is an apocalyptic number.

It is an amenable number.

331232121412177 is a deficient number, since it is larger than the sum of its proper divisors (1).

331232121412177 is an equidigital number, since it uses as much as digits as its factorization.

331232121412177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The spelling of 331232121412177 in words is "three hundred thirty-one trillion, two hundred thirty-two billion, one hundred twenty-one million, four hundred twelve thousand, one hundred seventy-seven".