31133233233113 has 4 divisors (see below), whose sum is σ = 33963527163408. Its totient is φ = 28302939302820.

The previous prime is 31133233233101. The next prime is 31133233233119.

31133233233113 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31133233233113 - 2¹⁸ = 31133232970969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31133233233113.

It is not an unprimeable number, because it can be changed into a prime (31133233233119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415146965131 + ... + 1415146965152.

It is an arithmetic number, because the mean of its divisors is an integer number (8490881790852).

Almost surely, 2^{31133233233113} is an apocalyptic number.

It is an amenable number.

31133233233113 is a deficient number, since it is larger than the sum of its proper divisors (2830293930295).

31133233233113 is a wasteful number, since it uses less digits than its factorization.

31133233233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830293930294.

The product of its digits is 26244, while the sum is 32.

It can be divided in two parts, 3113323 and 3233113, that added together give a palindrome (6346436).

The spelling of 31133233233113 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred thirty-three million, two hundred thirty-three thousand, one hundred thirteen".