310342421 has 8 divisors (see below), whose sum is σ = 319646424. Its totient is φ = 301086720.

The previous prime is 310342393. The next prime is 310342423. The reversal of 310342421 is 124243013.

It can be written as a sum of positive squares in 4 ways, for example, as 99221521 + 211120900 = 9961^2 + 14530^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310342421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 310342393 and 310342402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310342423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 24941.

It is an arithmetic number, because the mean of its divisors is an integer number (39955803).

Almost surely, 2^310342421 is an apocalyptic number.

It is an amenable number.

310342421 is a deficient number, since it is larger than the sum of its proper divisors (9304003).

310342421 is a wasteful number, since it uses less digits than its factorization.

310342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24151.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 310342421 is about 17616.5382808315. The cubic root of 310342421 is about 677.0390439356.

Adding to 310342421 its reverse (124243013), we get a palindrome (434585434).

The spelling of 310342421 in words is "three hundred ten million, three hundred forty-two thousand, four hundred twenty-one".