1321431134303 has 8 divisors (see below), whose sum is σ = 1542339075072. Its totient is φ = 1108556209656.

The previous prime is 1321431134293. The next prime is 1321431134339. The reversal of 1321431134303 is 3034311341231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1321431134303 - 2⁶ = 1321431134239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321431131303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008253675 + ... + 2008254332.

It is an arithmetic number, because the mean of its divisors is an integer number (192792384384).

Almost surely, 2^{1321431134303} is an apocalyptic number.

1321431134303 is a deficient number, since it is larger than the sum of its proper divisors (220907940769).

1321431134303 is an equidigital number, since it uses as much as digits as its factorization.

1321431134303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016508061.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 1321431134303 its reverse (3034311341231), we get a palindrome (4355742475534).

The spelling of 1321431134303 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-one million, one hundred thirty-four thousand, three hundred three".