1031233231111 has 8 divisors (see below), whose sum is σ = 1041798114000. Its totient is φ = 1020675302400.

The previous prime is 1031233231043. The next prime is 1031233231201. The reversal of 1031233231111 is 1111323321301.

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 1031233231111 - 2³⁵ = 996873492743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031233231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440186 + ... + 2033863.

It is an arithmetic number, because the mean of its divisors is an integer number (130224764250).

Almost surely, 2^{1031233231111} is an apocalyptic number.

1031233231111 is a deficient number, since it is larger than the sum of its proper divisors (10564882889).

1031233231111 is a wasteful number, since it uses less digits than its factorization.

1031233231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477089.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1031233231111 its reverse (1111323321301), we get a palindrome (2142556552412).

The spelling of 1031233231111 in words is "one trillion, thirty-one billion, two hundred thirty-three million, two hundred thirty-one thousand, one hundred eleven".