331230323021077 has 2 divisors, whose sum is σ = 331230323021078. Its totient is φ = 331230323021076.

The previous prime is 331230323021021. The next prime is 331230323021089. The reversal of 331230323021077 is 770120323032133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330734997026641 + 495325994436 = 18186121^2 + 703794^2 .

It is an emirp because it is prime and its reverse (770120323032133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331230323021077 - 2¹⁵ = 331230322988309 is a prime.

It is a super-3 number, since 3×331230323021077³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331230323021677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615161510538 + 165615161510539.

It is an arithmetic number, because the mean of its divisors is an integer number (165615161510539).

Almost surely, 2^{331230323021077} is an apocalyptic number.

It is an amenable number.

331230323021077 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230323021077 is an equidigital number, since it uses as much as digits as its factorization.

331230323021077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 37.

The spelling of 331230323021077 in words is "three hundred thirty-one trillion, two hundred thirty billion, three hundred twenty-three million, twenty-one thousand, seventy-seven".