331248760765 has 8 divisors (see below), whose sum is σ = 428075321688. Its totient is φ = 244614469440.

The previous prime is 331248760729. The next prime is 331248760789. The reversal of 331248760765 is 567067842133.

It can be written as a sum of positive squares in 4 ways, for example, as 30038782489 + 301209978276 = 173317^2 + 548826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331248760765 - 2³³ = 322658826173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2548067326 + ... + 2548067455.

It is an arithmetic number, because the mean of its divisors is an integer number (53509415211).

Almost surely, 2^331248760765 is an apocalyptic number.

It is an amenable number.

331248760765 is a deficient number, since it is larger than the sum of its proper divisors (96826560923).

331248760765 is a wasteful number, since it uses less digits than its factorization.

331248760765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096134799.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 331248760765 in words is "three hundred thirty-one billion, two hundred forty-eight million, seven hundred sixty thousand, seven hundred sixty-five".