1303232111231 has 16 divisors (see below), whose sum is σ = 1404212240640. Its totient is φ = 1205510765760.

The previous prime is 1303232111189. The next prime is 1303232111263. The reversal of 1303232111231 is 1321112323031.

It is not a de Polignac number, because 1303232111231 - 2²² = 1303227916927 is a prime.

It is a super-2 number, since 2×1303232111231² (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 = 1303232111197 and 1303232111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303232111281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097011 + ... + 2646491.

It is an arithmetic number, because the mean of its divisors is an integer number (87763265040).

Almost surely, 2^{1303232111231} is an apocalyptic number.

1303232111231 is a deficient number, since it is larger than the sum of its proper divisors (100980129409).

1303232111231 is a wasteful number, since it uses less digits than its factorization.

1303232111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552446.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1303232111231 its reverse (1321112323031), we get a palindrome (2624344434262).

The spelling of 1303232111231 in words is "one trillion, three hundred three billion, two hundred thirty-two million, one hundred eleven thousand, two hundred thirty-one".