2102131424 has 24 divisors (see below), whose sum is σ = 4356392040. Its totient is φ = 995746176.

The previous prime is 2102131403. The next prime is 2102131441. The reversal of 2102131424 is 4241312012.

It is a junction number, because it is equal to n+sod(n) for n = 2102131396 and 2102131405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728119 + ... + 1729334.

It is an arithmetic number, because the mean of its divisors is an integer number (181516335).

Almost surely, 2^2102131424 is an apocalyptic number.

It is an amenable number.

2102131424 is an abundant number, since it is smaller than the sum of its proper divisors (2254260616).

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

2102131424 is a wasteful number, since it uses less digits than its factorization.

2102131424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457482 (or 3457474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2102131424 is about 45849.0067940408. The cubic root of 2102131424 is about 1281.0122656626.

Adding to 2102131424 its reverse (4241312012), we get a palindrome (6343443436).

The spelling of 2102131424 in words is "two billion, one hundred two million, one hundred thirty-one thousand, four hundred twenty-four".