2131404124 has 6 divisors (see below), whose sum is σ = 3729957224. Its totient is φ = 1065702060.

The previous prime is 2131404031. The next prime is 2131404127. The reversal of 2131404124 is 4214041312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131404095 and 2131404104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131404127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266425512 + ... + 266425519.

Almost surely, 2^2131404124 is an apocalyptic number.

It is an amenable number.

2131404124 is a deficient number, since it is larger than the sum of its proper divisors (1598553100).

2131404124 is a wasteful number, since it uses less digits than its factorization.

2131404124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532851035 (or 532851033 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2131404124 is about 46167.1325078784. The cubic root of 2131404124 is about 1286.9310142900.

Adding to 2131404124 its reverse (4214041312), we get a palindrome (6345445436).

The spelling of 2131404124 in words is "two billion, one hundred thirty-one million, four hundred four thousand, one hundred twenty-four".