331132013330 has 8 divisors (see below), whose sum is σ = 596037624012. Its totient is φ = 132452805328.

The previous prime is 331132013293. The next prime is 331132013353. The reversal of 331132013330 is 33310231133.

It can be written as a sum of positive squares in 2 ways, for example, as 307291726921 + 23840286409 = 554339^2 + 154403^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 331132013296 and 331132013305.

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, 16556600657 + ... + 16556600676.

Almost surely, 2^331132013330 is an apocalyptic number.

331132013330 is a deficient number, since it is larger than the sum of its proper divisors (264905610682).

331132013330 is a wasteful number, since it uses less digits than its factorization.

331132013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33113201340.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 331132013330 its reverse (33310231133), we get a palindrome (364442244463).

The spelling of 331132013330 in words is "three hundred thirty-one billion, one hundred thirty-two million, thirteen thousand, three hundred thirty".