440003230131 has 4 divisors (see below), whose sum is σ = 586670973512. Its totient is φ = 293335486752.

The previous prime is 440003230123. The next prime is 440003230159. The reversal of 440003230131 is 131032300044.

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

It is not a de Polignac number, because 440003230131 - 2³ = 440003230123 is a prime.

It is a super-2 number, since 2×440003230131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440003230098 and 440003230107.

It is not an unprimeable number, because it can be changed into a prime (440003231131) 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, 73333871686 + ... + 73333871691.

It is an arithmetic number, because the mean of its divisors is an integer number (146667743378).

Almost surely, 2^440003230131 is an apocalyptic number.

440003230131 is a deficient number, since it is larger than the sum of its proper divisors (146667743381).

440003230131 is a wasteful number, since it uses less digits than its factorization.

440003230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146667743380.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 440003230131 its reverse (131032300044), we get a palindrome (571035530175).

The spelling of 440003230131 in words is "four hundred forty billion, three million, two hundred thirty thousand, one hundred thirty-one".