1311441000231 has 8 divisors (see below), whose sum is σ = 1748911056880. Its totient is φ = 874132471872.

The previous prime is 1311441000227. The next prime is 1311441000269. The reversal of 1311441000231 is 1320001441131.

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

It is not a de Polignac number, because 1311441000231 - 2² = 1311441000227 is a prime.

It is a super-2 number, since 2×1311441000231² (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 = 1311441000198 and 1311441000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311441000211) 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, 40363126 + ... + 40395603.

It is an arithmetic number, because the mean of its divisors is an integer number (218613882110).

Almost surely, 2^{1311441000231} is an apocalyptic number.

1311441000231 is a deficient number, since it is larger than the sum of its proper divisors (437470056649).

1311441000231 is an equidigital number, since it uses as much as digits as its factorization.

1311441000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80764145.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1311441000231 its reverse (1320001441131), we get a palindrome (2631442441362).

The spelling of 1311441000231 in words is "one trillion, three hundred eleven billion, four hundred forty-one million, two hundred thirty-one", and thus it is an aban number.