1331230351426 has 16 divisors (see below), whose sum is σ = 2043390938688. Its totient is φ = 650101662000.

The previous prime is 1331230351421. The next prime is 1331230351481. The reversal of 1331230351426 is 6241530321331.

It is a junction number, because it is equal to n+sod(n) for n = 1331230351391 and 1331230351400.

It is not an unprimeable number, because it can be changed into a prime (1331230351421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1284451 + ... + 2076601.

It is an arithmetic number, because the mean of its divisors is an integer number (127711933668).

Almost surely, 2^{1331230351426} is an apocalyptic number.

1331230351426 is a deficient number, since it is larger than the sum of its proper divisors (712160587262).

1331230351426 is a wasteful number, since it uses less digits than its factorization.

1331230351426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811737.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 1331230351426 its reverse (6241530321331), we get a palindrome (7572760672757).

The spelling of 1331230351426 in words is "one trillion, three hundred thirty-one billion, two hundred thirty million, three hundred fifty-one thousand, four hundred twenty-six".