1111212314231 has 8 divisors (see below), whose sum is σ = 1118130480144. Its totient is φ = 1104315600960.

The previous prime is 1111212314227. The next prime is 1111212314257. The reversal of 1111212314231 is 1324132121111.

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 1111212314231 - 2² = 1111212314227 is a prime.

It is a super-2 number, since 2×1111212314231² (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 = 1111212314197 and 1111212314206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111212394231) 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, 5259236 + ... + 5466441.

It is an arithmetic number, because the mean of its divisors is an integer number (139766310018).

Almost surely, 2^{1111212314231} is an apocalyptic number.

1111212314231 is a deficient number, since it is larger than the sum of its proper divisors (6918165913).

1111212314231 is a wasteful number, since it uses less digits than its factorization.

1111212314231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726321.

The product of its digits is 288, while the sum is 23.

Adding to 1111212314231 its reverse (1324132121111), we get a palindrome (2435344435342).

The spelling of 1111212314231 in words is "one trillion, one hundred eleven billion, two hundred twelve million, three hundred fourteen thousand, two hundred thirty-one".