310442042 has 8 divisors (see below), whose sum is σ = 481720500. Its totient is φ = 149868544.

The previous prime is 310441987. The next prime is 310442047. The reversal of 310442042 is 240244013.

310442042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 306565081 + 3876961 = 17509^2 + 1969^2 .

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

It is a super-2 number, since 2×310442042² = 192748522882259528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (310442047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676167 + ... + 2676282.

Almost surely, 2^310442042 is an apocalyptic number.

310442042 is a deficient number, since it is larger than the sum of its proper divisors (171278458).

310442042 is a wasteful number, since it uses less digits than its factorization.

310442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352480.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 310442042 is about 17619.3655390879. The cubic root of 310442042 is about 677.1114801505. Note that the first 3 decimals are identical.

Adding to 310442042 its reverse (240244013), we get a palindrome (550686055).

The spelling of 310442042 in words is "three hundred ten million, four hundred forty-two thousand, forty-two".