313030021330 has 16 divisors (see below), whose sum is σ = 606796656984. Its totient is φ = 115580315520.

The previous prime is 313030021319. The next prime is 313030021333. The reversal of 313030021330 is 33120030313.

It can be written as a sum of positive squares in 4 ways, for example, as 284365161081 + 28664860249 = 533259^2 + 169307^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313030021298 and 313030021307.

It is not an unprimeable number, because it can be changed into a prime (313030021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203961491 + ... + 1203961750.

Almost surely, 2^313030021330 is an apocalyptic number.

313030021330 is a deficient number, since it is larger than the sum of its proper divisors (293766635654).

313030021330 is a wasteful number, since it uses less digits than its factorization.

313030021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407923261.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 313030021330 its reverse (33120030313), we get a palindrome (346150051643).

The spelling of 313030021330 in words is "three hundred thirteen billion, thirty million, twenty-one thousand, three hundred thirty".