1303110311231 has 4 divisors (see below), whose sum is σ = 1303117866264. Its totient is φ = 1303102756200.

The previous prime is 1303110311197. The next prime is 1303110311233. The reversal of 1303110311231 is 1321130113031.

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 1303110311231 - 2³⁴ = 1285930442047 is a prime.

It is a super-2 number, since 2×1303110311231² (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 (1303110311233) 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, 3512600 + ... + 3865821.

It is an arithmetic number, because the mean of its divisors is an integer number (325779466566).

Almost surely, 2^{1303110311231} is an apocalyptic number.

1303110311231 is a deficient number, since it is larger than the sum of its proper divisors (7555033).

1303110311231 is an equidigital number, since it uses as much as digits as its factorization.

1303110311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555032.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1303110311231 its reverse (1321130113031), we get a palindrome (2624240424262).

The spelling of 1303110311231 in words is "one trillion, three hundred three billion, one hundred ten million, three hundred eleven thousand, two hundred thirty-one".