233231013011 has 4 divisors (see below), whose sum is σ = 233249328432. Its totient is φ = 233212697592.

The previous prime is 233231012947. The next prime is 233231013019. The reversal of 233231013011 is 110310132332.

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 233231013011 - 2⁶ = 233231012947 is a prime.

It is a super-2 number, since 2×233231013011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233231013019) 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, 9138596 + ... + 9164081.

It is an arithmetic number, because the mean of its divisors is an integer number (58312332108).

Almost surely, 2^233231013011 is an apocalyptic number.

233231013011 is a deficient number, since it is larger than the sum of its proper divisors (18315421).

233231013011 is a wasteful number, since it uses less digits than its factorization.

233231013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18315420.

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

Adding to 233231013011 its reverse (110310132332), we get a palindrome (343541145343).

The spelling of 233231013011 in words is "two hundred thirty-three billion, two hundred thirty-one million, thirteen thousand, eleven".