1113233033231 has 4 divisors (see below), whose sum is σ = 1214436036264. Its totient is φ = 1012030030200.

The previous prime is 1113233033179. The next prime is 1113233033239. The reversal of 1113233033231 is 1323303323111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113233033231 - 2⁶ = 1113233033167 is a prime.

It is a super-2 number, since 2×1113233033231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113233033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113233033239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50601501500 + ... + 50601501521.

It is an arithmetic number, because the mean of its divisors is an integer number (303609009066).

Almost surely, 2^{1113233033231} is an apocalyptic number.

1113233033231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113233033231 is a deficient number, since it is larger than the sum of its proper divisors (101203003033).

1113233033231 is a wasteful number, since it uses less digits than its factorization.

1113233033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101203003032.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1113233033231 its reverse (1323303323111), we get a palindrome (2436536356342).

It can be divided in two parts, 11 and 13233033231, that multiplied together give a palindrome (145563365541).

The spelling of 1113233033231 in words is "one trillion, one hundred thirteen billion, two hundred thirty-three million, thirty-three thousand, two hundred thirty-one".