233011213013 has 16 divisors (see below), whose sum is σ = 238249090800. Its totient is φ = 227837068800.

The previous prime is 233011213003. The next prime is 233011213027. The reversal of 233011213013 is 310312110332.

It can be written as a sum of positive squares in 8 ways, for example, as 419143729 + 232592069284 = 20473^2 + 482278^2 .

It is a cyclic number.

It is not a de Polignac number, because 233011213013 - 2²⁶ = 232944104149 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 (233011213003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7652423 + ... + 7682811.

It is an arithmetic number, because the mean of its divisors is an integer number (14890568175).

Almost surely, 2^233011213013 is an apocalyptic number.

It is an amenable number.

233011213013 is a deficient number, since it is larger than the sum of its proper divisors (5237877787).

233011213013 is a wasteful number, since it uses less digits than its factorization.

233011213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31432.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 233011213013 its reverse (310312110332), we get a palindrome (543323323345).

The spelling of 233011213013 in words is "two hundred thirty-three billion, eleven million, two hundred thirteen thousand, thirteen".