1031304042 has 16 divisors (see below), whose sum is σ = 2291786880. Its totient is φ = 343767996.

The previous prime is 1031304023. The next prime is 1031304049. The reversal of 1031304042 is 2404031301.

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 (1031304049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9549058 + ... + 9549165.

It is an arithmetic number, because the mean of its divisors is an integer number (143236680).

Almost surely, 2^1031304042 is an apocalyptic number.

1031304042 is an abundant number, since it is smaller than the sum of its proper divisors (1260482838).

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

1031304042 is a wasteful number, since it uses less digits than its factorization.

1031304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19098234 (or 19098228 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1031304042 is about 32113.9228684382. The cubic root of 1031304042 is about 1010.3276530649.

Adding to 1031304042 its reverse (2404031301), we get a palindrome (3435335343).

The spelling of 1031304042 in words is "one billion, thirty-one million, three hundred four thousand, forty-two".