313550421 has 8 divisors (see below), whose sum is σ = 436244160. Its totient is φ = 199945152.

The previous prime is 313550417. The next prime is 313550423. The reversal of 313550421 is 124055313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313550421 - 2² = 313550417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313550391 and 313550400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313550423) 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 7 ways as a sum of consecutive naturals, for example, 2272036 + ... + 2272173.

It is an arithmetic number, because the mean of its divisors is an integer number (54530520).

Almost surely, 2^313550421 is an apocalyptic number.

It is an amenable number.

313550421 is a deficient number, since it is larger than the sum of its proper divisors (122693739).

313550421 is a wasteful number, since it uses less digits than its factorization.

313550421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544235.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 313550421 is about 17707.3549972886. The cubic root of 313550421 is about 679.3638954832.

The spelling of 313550421 in words is "three hundred thirteen million, five hundred fifty thousand, four hundred twenty-one".