331366713277 has 4 divisors (see below), whose sum is σ = 333590651100. Its totient is φ = 329142775456.

The previous prime is 331366713263. The next prime is 331366713283. The reversal of 331366713277 is 772317663133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144834286041 + 186532427236 = 380571^2 + 431894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331366713277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331366713277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331366713257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111968688 + ... + 1111968985.

It is an arithmetic number, because the mean of its divisors is an integer number (83397662775).

Almost surely, 2^331366713277 is an apocalyptic number.

It is an amenable number.

331366713277 is a deficient number, since it is larger than the sum of its proper divisors (2223937823).

331366713277 is a wasteful number, since it uses less digits than its factorization.

331366713277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223937822.

The product of its digits is 2000376, while the sum is 49.

The spelling of 331366713277 in words is "three hundred thirty-one billion, three hundred sixty-six million, seven hundred thirteen thousand, two hundred seventy-seven".