1303023220231 has 4 divisors (see below), whose sum is σ = 1303033347000. Its totient is φ = 1303013093464.

The previous prime is 1303023220229. The next prime is 1303023220271. The reversal of 1303023220231 is 1320223203031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1303023220231 - 2¹ = 1303023220229 is a prime.

It is a super-2 number, since 2×1303023220231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303023220211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4867861 + ... + 5128558.

It is an arithmetic number, because the mean of its divisors is an integer number (325758336750).

Almost surely, 2^{1303023220231} is an apocalyptic number.

1303023220231 is a deficient number, since it is larger than the sum of its proper divisors (10126769).

1303023220231 is an equidigital number, since it uses as much as digits as its factorization.

1303023220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126768.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1303023220231 its reverse (1320223203031), we get a palindrome (2623246423262).

It can be divided in two parts, 130302 and 3220231, that added together give a palindrome (3350533).

The spelling of 1303023220231 in words is "one trillion, three hundred three billion, twenty-three million, two hundred twenty thousand, two hundred thirty-one".