2112531430 has 8 divisors (see below), whose sum is σ = 3802556592. Its totient is φ = 845012568.

The previous prime is 2112531427. The next prime is 2112531431. The reversal of 2112531430 is 341352112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112531431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105626562 + ... + 105626581.

It is an arithmetic number, because the mean of its divisors is an integer number (475319574).

Almost surely, 2^2112531430 is an apocalyptic number.

2112531430 is a deficient number, since it is larger than the sum of its proper divisors (1690025162).

2112531430 is a wasteful number, since it uses less digits than its factorization.

2112531430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211253150.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2112531430 is about 45962.2826891790. The cubic root of 2112531430 is about 1283.1213353454.

Adding to 2112531430 its reverse (341352112), we get a palindrome (2453883542).

The spelling of 2112531430 in words is "two billion, one hundred twelve million, five hundred thirty-one thousand, four hundred thirty".