331787303348 has 12 divisors (see below), whose sum is σ = 581157075492. Its totient is φ = 165742424640.

The previous prime is 331787303329. The next prime is 331787303389. The reversal of 331787303348 is 843303787133.

It can be written as a sum of positive squares in 2 ways, for example, as 220319461924 + 111467841424 = 469382^2 + 333868^2 .

It is a super-2 number, since 2×331787303348² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331787303296 and 331787303305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37801823 + ... + 37810598.

It is an arithmetic number, because the mean of its divisors is an integer number (48429756291).

Almost surely, 2^331787303348 is an apocalyptic number.

It is an amenable number.

331787303348 is a deficient number, since it is larger than the sum of its proper divisors (249369772144).

331787303348 is a wasteful number, since it uses less digits than its factorization.

331787303348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75613522 (or 75613520 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 331787303348 in words is "three hundred thirty-one billion, seven hundred eighty-seven million, three hundred three thousand, three hundred forty-eight".