1031030042 has 24 divisors (see below), whose sum is σ = 1877572704. Its totient is φ = 415876032.

The previous prime is 1031030009. The next prime is 1031030047. The reversal of 1031030042 is 2400301301.

1031030042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1031029999 and 1031030026.

It is not an unprimeable number, because it can be changed into a prime (1031030047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123368 + ... + 131459.

It is an arithmetic number, because the mean of its divisors is an integer number (78232196).

Almost surely, 2^1031030042 is an apocalyptic number.

1031030042 is a deficient number, since it is larger than the sum of its proper divisors (846542662).

1031030042 is a wasteful number, since it uses less digits than its factorization.

1031030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254870 (or 254853 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1031030042 is about 32109.6565226101. The cubic root of 1031030042 is about 1010.2381694967.

Adding to 1031030042 its reverse (2400301301), we get a palindrome (3431331343).

The spelling of 1031030042 in words is "one billion, thirty-one million, thirty thousand, forty-two".