31321000330 has 8 divisors (see below), whose sum is σ = 56377800612. Its totient is φ = 12528400128.

The previous prime is 31321000313. The next prime is 31321000331. The reversal of 31321000330 is 3300012313.

It can be written as a sum of positive squares in 2 ways, for example, as 31099675201 + 221325129 = 176351^2 + 14877^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31321000331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566050007 + ... + 1566050026.

Almost surely, 2^31321000330 is an apocalyptic number.

31321000330 is a deficient number, since it is larger than the sum of its proper divisors (25056800282).

31321000330 is a wasteful number, since it uses less digits than its factorization.

31321000330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132100040.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31321000330 its reverse (3300012313), we get a palindrome (34621012643).

The spelling of 31321000330 in words is "thirty-one billion, three hundred twenty-one million, three hundred thirty", and thus it is an aban number.