31030103221330 has 64 divisors (see below), whose sum is σ = 59359389592032. Its totient is φ = 11638539694080.

The previous prime is 31030103221307. The next prime is 31030103221361. The reversal of 31030103221330 is 3312230103013.

It can be written as a sum of positive squares in 16 ways, for example, as 5694957460921 + 25335145760409 = 2386411^2 + 5033403^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546074320 + ... + 546131140.

Almost surely, 2^{31030103221330} is an apocalyptic number.

31030103221330 is a deficient number, since it is larger than the sum of its proper divisors (28329286370702).

31030103221330 is a wasteful number, since it uses less digits than its factorization.

31030103221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68719.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31030103221330 its reverse (3312230103013), we get a palindrome (34342333324343).

The spelling of 31030103221330 in words is "thirty-one trillion, thirty billion, one hundred three million, two hundred twenty-one thousand, three hundred thirty".