310142042 has 32 divisors (see below), whose sum is σ = 550133760. Its totient is φ = 128323440.

The previous prime is 310142017. The next prime is 310142047. The reversal of 310142042 is 240241013.

It is a self number, because there is not a number n which added to its sum of digits gives 310142042.

It is not an unprimeable number, because it can be changed into a prime (310142047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320243 + ... + 321209.

It is an arithmetic number, because the mean of its divisors is an integer number (17191680).

Almost surely, 2^310142042 is an apocalyptic number.

310142042 is a deficient number, since it is larger than the sum of its proper divisors (239991718).

310142042 is a wasteful number, since it uses less digits than its factorization.

310142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 310142042 is about 17610.8501214450. The cubic root of 310142042 is about 676.8932978112.

Adding to 310142042 its reverse (240241013), we get a palindrome (550383055).

The spelling of 310142042 in words is "three hundred ten million, one hundred forty-two thousand, forty-two".