1303221023231 has 8 divisors (see below), whose sum is σ = 1309982768640. Its totient is φ = 1296476773792.

The previous prime is 1303221023207. The next prime is 1303221023243. The reversal of 1303221023231 is 1323201223031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303221023231 is a prime.

It is a super-2 number, since 2×1303221023231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303221023197 and 1303221023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303221923231) 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, 4224620 + ... + 4522593.

It is an arithmetic number, because the mean of its divisors is an integer number (163747846080).

Almost surely, 2^{1303221023231} is an apocalyptic number.

1303221023231 is a deficient number, since it is larger than the sum of its proper divisors (6761745409).

1303221023231 is an equidigital number, since it uses as much as digits as its factorization.

1303221023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747985.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1303221023231 its reverse (1323201223031), we get a palindrome (2626422246262).

The spelling of 1303221023231 in words is "one trillion, three hundred three billion, two hundred twenty-one million, twenty-three thousand, two hundred thirty-one".