2103154042 has 16 divisors (see below), whose sum is σ = 3622658400. Its totient is φ = 905664240.

The previous prime is 2103154033. The next prime is 2103154051. The reversal of 2103154042 is 2404513012.

It is an interprime number because it is at equal distance from previous prime (2103154033) and next prime (2103154051).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515317 + ... + 2516152.

It is an arithmetic number, because the mean of its divisors is an integer number (226416150).

Almost surely, 2^2103154042 is an apocalyptic number.

2103154042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2103154042 is a deficient number, since it is larger than the sum of its proper divisors (1519504358).

2103154042 is a wasteful number, since it uses less digits than its factorization.

2103154042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031501.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2103154042 is about 45860.1574572090. The cubic root of 2103154042 is about 1281.2199554739.

Adding to 2103154042 its reverse (2404513012), we get a palindrome (4507667054).

The spelling of 2103154042 in words is "two billion, one hundred three million, one hundred fifty-four thousand, forty-two".