331815676340 has 12 divisors (see below), whose sum is σ = 696812920356. Its totient is φ = 132726270528.

The previous prime is 331815676333. The next prime is 331815676369. The reversal of 331815676340 is 43676518133.

It can be written as a sum of positive squares in 2 ways, for example, as 131143931044 + 200671745296 = 362138^2 + 447964^2 .

It is a super-2 number, since 2×331815676340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8295391889 + ... + 8295391928.

It is an arithmetic number, because the mean of its divisors is an integer number (58067743363).

Almost surely, 2^331815676340 is an apocalyptic number.

It is an amenable number.

331815676340 is an abundant number, since it is smaller than the sum of its proper divisors (364997244016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331815676340 is a wasteful number, since it uses less digits than its factorization.

331815676340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16590783826 (or 16590783824 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 331815676340 in words is "three hundred thirty-one billion, eight hundred fifteen million, six hundred seventy-six thousand, three hundred forty".