2154232312 has 64 divisors (see below), whose sum is σ = 4305600000. Its totient is φ = 1007614080.

The previous prime is 2154232309. The next prime is 2154232321. The reversal of 2154232312 is 2132324512.

2154232312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6926637 + ... + 6926947.

It is an arithmetic number, because the mean of its divisors is an integer number (67275000).

Almost surely, 2^2154232312 is an apocalyptic number.

It is an amenable number.

2154232312 is a deficient number, since it is larger than the sum of its proper divisors (2151367688).

2154232312 is a wasteful number, since it uses less digits than its factorization.

2154232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 760 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2154232312 is about 46413.7082336673. The cubic root of 2154232312 is about 1291.5092229343.

Adding to 2154232312 its reverse (2132324512), we get a palindrome (4286556824).

The spelling of 2154232312 in words is "two billion, one hundred fifty-four million, two hundred thirty-two thousand, three hundred twelve".