2131400032 has 24 divisors (see below), whose sum is σ = 4223992752. Its totient is φ = 1058640000.

The previous prime is 2131400017. The next prime is 2131400081. The reversal of 2131400032 is 2300041312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2131399979 and 2131400015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215719 + ... + 225382.

It is an arithmetic number, because the mean of its divisors is an integer number (175999698).

Almost surely, 2^2131400032 is an apocalyptic number.

It is an amenable number.

2131400032 is a deficient number, since it is larger than the sum of its proper divisors (2092592720).

2131400032 is a wasteful number, since it uses less digits than its factorization.

2131400032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441262 (or 441254 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2131400032 is about 46167.0881906148. The cubic root of 2131400032 is about 1286.9301907132.

Adding to 2131400032 its reverse (2300041312), we get a palindrome (4431441344).

The spelling of 2131400032 in words is "two billion, one hundred thirty-one million, four hundred thousand, thirty-two".