312320030 has 32 divisors (see below), whose sum is σ = 614089728. Its totient is φ = 113421600.

The previous prime is 312320027. The next prime is 312320033. The reversal of 312320030 is 30023213.

It is an interprime number because it is at equal distance from previous prime (312320027) and next prime (312320033).

It is a super-2 number, since 2×312320030² = 195087602278401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312319987 and 312320014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115595 + ... + 118265.

It is an arithmetic number, because the mean of its divisors is an integer number (19190304).

Almost surely, 2^312320030 is an apocalyptic number.

312320030 is a deficient number, since it is larger than the sum of its proper divisors (301769698).

312320030 is a wasteful number, since it uses less digits than its factorization.

312320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 312320030 is about 17672.5784762722. The cubic root of 312320030 is about 678.4741088027.

Adding to 312320030 its reverse (30023213), we get a palindrome (342343243).

The spelling of 312320030 in words is "three hundred twelve million, three hundred twenty thousand, thirty".