310142052 has 72 divisors (see below), whose sum is σ = 860164032. Its totient is φ = 93441600.

The previous prime is 310142047. The next prime is 310142057. The reversal of 310142052 is 250241013.

It is an interprime number because it is at equal distance from previous prime (310142047) and next prime (310142057).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (310142057) 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 23 ways as a sum of consecutive naturals, for example, 69513 + ... + 73839.

Almost surely, 2^310142052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310142052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430082016).

310142052 is an abundant number, since it is smaller than the sum of its proper divisors (550021980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310142052 is a wasteful number, since it uses less digits than its factorization.

310142052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 310142052 is about 17610.8504053609. The cubic root of 310142052 is about 676.8933050863.

Adding to 310142052 its reverse (250241013), we get a palindrome (560383065).

The spelling of 310142052 in words is "three hundred ten million, one hundred forty-two thousand, fifty-two".