1321431206230 has 32 divisors (see below), whose sum is σ = 2412275681088. Its totient is φ = 521084928000.

The previous prime is 1321431206219. The next prime is 1321431206231. The reversal of 1321431206230 is 326021341231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321431206231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9382330 + ... + 9522130.

It is an arithmetic number, because the mean of its divisors is an integer number (75383615034).

Almost surely, 2^{1321431206230} is an apocalyptic number.

1321431206230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321431206230 is a deficient number, since it is larger than the sum of its proper divisors (1090844474858).

1321431206230 is a wasteful number, since it uses less digits than its factorization.

1321431206230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153192.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1321431206230 its reverse (326021341231), we get a palindrome (1647452547461).

The spelling of 1321431206230 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-one million, two hundred six thousand, two hundred thirty".