2112431455 has 4 divisors (see below), whose sum is σ = 2534917752. Its totient is φ = 1689945160.

The previous prime is 2112431449. The next prime is 2112431483. The reversal of 2112431455 is 5541342112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112431455 - 2⁷ = 2112431327 is a prime.

It is a Duffinian number.

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, 211243141 + ... + 211243150.

It is an arithmetic number, because the mean of its divisors is an integer number (633729438).

Almost surely, 2^2112431455 is an apocalyptic number.

2112431455 is a deficient number, since it is larger than the sum of its proper divisors (422486297).

2112431455 is an equidigital number, since it uses as much as digits as its factorization.

2112431455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422486296.

The product of its digits is 4800, while the sum is 28.

The square root of 2112431455 is about 45961.1950997796. The cubic root of 2112431455 is about 1283.1010938984.

Adding to 2112431455 its reverse (5541342112), we get a palindrome (7653773567).

The spelling of 2112431455 in words is "two billion, one hundred twelve million, four hundred thirty-one thousand, four hundred fifty-five".