2103231042 has 32 divisors (see below), whose sum is σ = 5098743360. Its totient is φ = 637342560.

The previous prime is 2103231037. The next prime is 2103231043. The reversal of 2103231042 is 2401323012.

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 (2103231043) 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, 1769803 + ... + 1770990.

It is an arithmetic number, because the mean of its divisors is an integer number (159335730).

Almost surely, 2^2103231042 is an apocalyptic number.

2103231042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2103231042 is an abundant number, since it is smaller than the sum of its proper divisors (2995512318).

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

2103231042 is a wasteful number, since it uses less digits than its factorization.

2103231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540815 (or 3540809 counting only the distinct ones).

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

The square root of 2103231042 is about 45860.9969581997. The cubic root of 2103231042 is about 1281.2355911542.

Adding to 2103231042 its reverse (2401323012), we get a palindrome (4504554054).

The spelling of 2103231042 in words is "two billion, one hundred three million, two hundred thirty-one thousand, forty-two".