231013233011 has 8 divisors (see below), whose sum is σ = 253471168944. Its totient is φ = 208798085920.

The previous prime is 231013233001. The next prime is 231013233013. The reversal of 231013233011 is 110332310132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231013233011 is a prime.

It is a super-2 number, since 2×231013233011² (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 (231013233013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60695216 + ... + 60699021.

It is an arithmetic number, because the mean of its divisors is an integer number (31683896118).

Almost surely, 2^231013233011 is an apocalyptic number.

231013233011 is a deficient number, since it is larger than the sum of its proper divisors (22457935933).

231013233011 is a wasteful number, since it uses less digits than its factorization.

231013233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121394421.

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

Adding to 231013233011 its reverse (110332310132), we get a palindrome (341345543143).

The spelling of 231013233011 in words is "two hundred thirty-one billion, thirteen million, two hundred thirty-three thousand, eleven".