231214451444 has 12 divisors (see below), whose sum is σ = 408206045604. Its totient is φ = 114584152704.

The previous prime is 231214451417. The next prime is 231214451449. The reversal of 231214451444 is 444154412132.

It can be written as a sum of positive squares in 2 ways, for example, as 51557151844 + 179657299600 = 227062^2 + 423860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231214451449) 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, 255767747 + ... + 255768650.

It is an arithmetic number, because the mean of its divisors is an integer number (34017170467).

Almost surely, 2^231214451444 is an apocalyptic number.

It is an amenable number.

231214451444 is a deficient number, since it is larger than the sum of its proper divisors (176991594160).

231214451444 is a wasteful number, since it uses less digits than its factorization.

231214451444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511536514 (or 511536512 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

Adding to 231214451444 its reverse (444154412132), we get a palindrome (675368863576).

The spelling of 231214451444 in words is "two hundred thirty-one billion, two hundred fourteen million, four hundred fifty-one thousand, four hundred forty-four".