1031310042 has 32 divisors (see below), whose sum is σ = 2395929984. Its totient is φ = 289828800.

The previous prime is 1031310031. The next prime is 1031310043. The reversal of 1031310042 is 2400131301.

It is not an unprimeable number, because it can be changed into a prime (1031310043) 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 15 ways as a sum of consecutive naturals, for example, 198709 + ... + 203832.

It is an arithmetic number, because the mean of its divisors is an integer number (74872812).

Almost surely, 2^1031310042 is an apocalyptic number.

1031310042 is an abundant number, since it is smaller than the sum of its proper divisors (1364619942).

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

1031310042 is a wasteful number, since it uses less digits than its factorization.

1031310042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402614.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1031310042 is about 32114.0162857280. The cubic root of 1031310042 is about 1010.3296123818.

Adding to 1031310042 its reverse (2400131301), we get a palindrome (3431441343).

The spelling of 1031310042 in words is "one billion, thirty-one million, three hundred ten thousand, forty-two".