1431430244 has 12 divisors (see below), whose sum is σ = 2505835500. Its totient is φ = 715477248.

The previous prime is 1431430237. The next prime is 1431430267. The reversal of 1431430244 is 4420341341.

It can be written as a sum of positive squares in 2 ways, for example, as 1247502400 + 183927844 = 35320^2 + 13562^2 .

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, 45569 + ... + 70280.

It is an arithmetic number, because the mean of its divisors is an integer number (208819625).

Almost surely, 2^1431430244 is an apocalyptic number.

It is an amenable number.

1431430244 is a deficient number, since it is larger than the sum of its proper divisors (1074405256).

1431430244 is a wasteful number, since it uses less digits than its factorization.

1431430244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118942 (or 118940 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1431430244 is about 37834.2469728155. The cubic root of 1431430244 is about 1126.9986513165.

Adding to 1431430244 its reverse (4420341341), we get a palindrome (5851771585).

The spelling of 1431430244 in words is "one billion, four hundred thirty-one million, four hundred thirty thousand, two hundred forty-four".