1031234842 has 32 divisors (see below), whose sum is σ = 1791057600. Its totient is φ = 444050640.

The previous prime is 1031234837. The next prime is 1031234843. The reversal of 1031234842 is 2484321301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031234842.

It is not an unprimeable number, because it can be changed into a prime (1031234843) 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, 40384 + ... + 60772.

It is an arithmetic number, because the mean of its divisors is an integer number (55970550).

Almost surely, 2^1031234842 is an apocalyptic number.

1031234842 is a deficient number, since it is larger than the sum of its proper divisors (759822758).

1031234842 is a wasteful number, since it uses less digits than its factorization.

1031234842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20443 (or 20421 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1031234842 is about 32112.8454360556. The cubic root of 1031234842 is about 1010.3050550613.

It can be divided in two parts, 10312 and 34842, that added together give a palindrome (45154).

The spelling of 1031234842 in words is "one billion, thirty-one million, two hundred thirty-four thousand, eight hundred forty-two".