2134431256 has 16 divisors (see below), whose sum is σ = 4016510640. Its totient is φ = 1063361760.

The previous prime is 2134431227. The next prime is 2134431281. The reversal of 2134431256 is 6521344312.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 479380 + ... + 483811.

It is an arithmetic number, because the mean of its divisors is an integer number (251031915).

Almost surely, 2^2134431256 is an apocalyptic number.

It is an amenable number.

2134431256 is a deficient number, since it is larger than the sum of its proper divisors (1882079384).

2134431256 is a wasteful number, since it uses less digits than its factorization.

2134431256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963474 (or 963470 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 2134431256 is about 46199.9053678684. The cubic root of 2134431256 is about 1287.5399817414.

Adding to 2134431256 its reverse (6521344312), we get a palindrome (8655775568).

The spelling of 2134431256 in words is "two billion, one hundred thirty-four million, four hundred thirty-one thousand, two hundred fifty-six".