1244343231 has 48 divisors (see below), whose sum is σ = 1937744640. Its totient is φ = 767128320.

The previous prime is 1244343197. The next prime is 1244343239. The reversal of 1244343231 is 1323434421.

It is not a de Polignac number, because 1244343231 - 2⁶ = 1244343167 is a prime.

It is a super-2 number, since 2×1244343231² = 3096780153071038722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244343195 and 1244343204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244343239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1371480 + ... + 1372386.

It is an arithmetic number, because the mean of its divisors is an integer number (40369680).

Almost surely, 2^1244343231 is an apocalyptic number.

1244343231 is a deficient number, since it is larger than the sum of its proper divisors (693401409).

1244343231 is a wasteful number, since it uses less digits than its factorization.

1244343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1113 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1244343231 is about 35275.2495526254. The cubic root of 1244343231 is about 1075.5899357250.

Adding to 1244343231 its reverse (1323434421), we get a palindrome (2567777652).

The spelling of 1244343231 in words is "one billion, two hundred forty-four million, three hundred forty-three thousand, two hundred thirty-one".