313220930 has 32 divisors (see below), whose sum is σ = 616111488. Its totient is φ = 113702400.

The previous prime is 313220927. The next prime is 313220939. The reversal of 313220930 is 39022313.

It is a junction number, because it is equal to n+sod(n) for n = 313220896 and 313220905.

It is not an unprimeable number, because it can be changed into a prime (313220939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71915 + ... + 76145.

It is an arithmetic number, because the mean of its divisors is an integer number (19253484).

Almost surely, 2^313220930 is an apocalyptic number.

313220930 is a deficient number, since it is larger than the sum of its proper divisors (302890558).

313220930 is a wasteful number, since it uses less digits than its factorization.

313220930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 313220930 is about 17698.0487625049. The cubic root of 313220930 is about 679.1258447284.

The spelling of 313220930 in words is "three hundred thirteen million, two hundred twenty thousand, nine hundred thirty".