313620028 has 6 divisors (see below), whose sum is σ = 548835056. Its totient is φ = 156810012.

The previous prime is 313620011. The next prime is 313620031. The reversal of 313620028 is 820026313.

It is a junction number, because it is equal to n+sod(n) for n = 313619984 and 313620011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39202500 + ... + 39202507.

Almost surely, 2^313620028 is an apocalyptic number.

It is an amenable number.

313620028 is a deficient number, since it is larger than the sum of its proper divisors (235215028).

313620028 is a wasteful number, since it uses less digits than its factorization.

313620028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78405011 (or 78405009 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 313620028 is about 17709.3203709233. The cubic root of 313620028 is about 679.4141638299.

The spelling of 313620028 in words is "three hundred thirteen million, six hundred twenty thousand, twenty-eight".