2243131432 has 16 divisors (see below), whose sum is σ = 4207878900. Its totient is φ = 1121030400.

The previous prime is 2243131417. The next prime is 2243131441. The reversal of 2243131432 is 2341313422.

It can be written as a sum of positive squares in 2 ways, for example, as 2182197796 + 60933636 = 46714^2 + 7806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2243131397 and 2243131406.

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, 48819 + ... + 82882.

Almost surely, 2^2243131432 is an apocalyptic number.

It is an amenable number.

2243131432 is a deficient number, since it is larger than the sum of its proper divisors (1964747468).

2243131432 is a wasteful number, since it uses less digits than its factorization.

2243131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133836 (or 133832 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 2243131432 is about 47361.7084995886. The cubic root of 2243131432 is about 1309.0359498052.

Adding to 2243131432 its reverse (2341313422), we get a palindrome (4584444854).

The spelling of 2243131432 in words is "two billion, two hundred forty-three million, one hundred thirty-one thousand, four hundred thirty-two".