1431231630356 has 12 divisors (see below), whose sum is σ = 2732351294400. Its totient is φ = 650559831960.

The previous prime is 1431231630343. The next prime is 1431231630371. The reversal of 1431231630356 is 6530361321341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16263995756 + ... + 16263995843.

It is an arithmetic number, because the mean of its divisors is an integer number (227695941200).

Almost surely, 2^{1431231630356} is an apocalyptic number.

It is an amenable number.

1431231630356 is a deficient number, since it is larger than the sum of its proper divisors (1301119664044).

1431231630356 is a wasteful number, since it uses less digits than its factorization.

1431231630356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32527991614 (or 32527991612 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 1431231630356 its reverse (6530361321341), we get a palindrome (7961592951697).

The spelling of 1431231630356 in words is "one trillion, four hundred thirty-one billion, two hundred thirty-one million, six hundred thirty thousand, three hundred fifty-six".