1232311231231 has 8 divisors (see below), whose sum is σ = 1272254048384. Its totient is φ = 1192380341760.

The previous prime is 1232311231219. The next prime is 1232311231247. The reversal of 1232311231231 is 1321321132321.

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

It is a cyclic number.

It is not a de Polignac number, because 1232311231231 - 2⁷ = 1232311231103 is a prime.

It is a super-2 number, since 2×1232311231231² (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 = 1232311231196 and 1232311231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232311238231) 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, 2771706 + ... + 3185431.

It is an arithmetic number, because the mean of its divisors is an integer number (159031756048).

Almost surely, 2^{1232311231231} is an apocalyptic number.

1232311231231 is a deficient number, since it is larger than the sum of its proper divisors (39942817153).

1232311231231 is an equidigital number, since it uses as much as digits as its factorization.

1232311231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963841.

The product of its digits is 1296, while the sum is 25.

Adding to 1232311231231 its reverse (1321321132321), we get a palindrome (2553632363552).

The spelling of 1232311231231 in words is "one trillion, two hundred thirty-two billion, three hundred eleven million, two hundred thirty-one thousand, two hundred thirty-one".