233031103312013 has 4 divisors (see below), whose sum is σ = 233163582622080. Its totient is φ = 232898624001948.

The previous prime is 233031103311911. The next prime is 233031103312039. The reversal of 233031103312013 is 310213301130332.

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 233031103312013 - 2¹⁶ = 233031103246477 is a prime.

It is a super-2 number, since 2×233031103312013² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233031103312093) 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, 66239652395 + ... + 66239655912.

It is an arithmetic number, because the mean of its divisors is an integer number (58290895655520).

Almost surely, 2^{233031103312013} is an apocalyptic number.

It is an amenable number.

233031103312013 is a deficient number, since it is larger than the sum of its proper divisors (132479310067).

233031103312013 is a wasteful number, since it uses less digits than its factorization.

233031103312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132479310066.

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

Adding to 233031103312013 its reverse (310213301130332), we get a palindrome (543244404442345).

The spelling of 233031103312013 in words is "two hundred thirty-three trillion, thirty-one billion, one hundred three million, three hundred twelve thousand, thirteen".