331330135761 has 6 divisors (see below), whose sum is σ = 478587973890. Its totient is φ = 220886757168.

The previous prime is 331330135753. The next prime is 331330135777. The reversal of 331330135761 is 167531033133.

331330135761 is a `hidden beast` number, since 3 + 313 + 301 + 35 + 7 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 330919465536 + 410670225 = 575256^2 + 20265^2 .

It is not a de Polignac number, because 331330135761 - 2³ = 331330135753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331330135061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18407229756 + ... + 18407229773.

It is an arithmetic number, because the mean of its divisors is an integer number (79764662315).

Almost surely, 2^331330135761 is an apocalyptic number.

It is an amenable number.

331330135761 is a deficient number, since it is larger than the sum of its proper divisors (147257838129).

331330135761 is a wasteful number, since it uses less digits than its factorization.

331330135761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36814459535 (or 36814459532 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 36.

Adding to 331330135761 its reverse (167531033133), we get a palindrome (498861168894).

The spelling of 331330135761 in words is "three hundred thirty-one billion, three hundred thirty million, one hundred thirty-five thousand, seven hundred sixty-one".