31230313312330 has 32 divisors (see below), whose sum is σ = 61326018252288. Its totient is φ = 11356285089600.

The previous prime is 31230313312321. The next prime is 31230313312351. The reversal of 31230313312330 is 3321331303213.

It is a super-2 number, since 2×31230313312330² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4195620 + ... + 8947840.

It is an arithmetic number, because the mean of its divisors is an integer number (1916438070384).

Almost surely, 2^{31230313312330} is an apocalyptic number.

31230313312330 is a deficient number, since it is larger than the sum of its proper divisors (30095704939958).

31230313312330 is a wasteful number, since it uses less digits than its factorization.

31230313312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811982.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31230313312330 its reverse (3321331303213), we get a palindrome (34551644615543).

The spelling of 31230313312330 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirteen million, three hundred twelve thousand, three hundred thirty".