2131004042 has 16 divisors (see below), whose sum is σ = 3308981760. Its totient is φ = 1028060208.

The previous prime is 2131004023. The next prime is 2131004053. The reversal of 2131004042 is 2404001312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131004042.

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, 79163 + ... + 102609.

It is an arithmetic number, because the mean of its divisors is an integer number (206811360).

Almost surely, 2^2131004042 is an apocalyptic number.

2131004042 is a deficient number, since it is larger than the sum of its proper divisors (1177977718).

2131004042 is a wasteful number, since it uses less digits than its factorization.

2131004042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25045.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2131004042 is about 46162.7993301966. The cubic root of 2131004042 is about 1286.8504867562.

Adding to 2131004042 its reverse (2404001312), we get a palindrome (4535005354).

The spelling of 2131004042 in words is "two billion, one hundred thirty-one million, four thousand, forty-two".