2011233020231 has 8 divisors (see below), whose sum is σ = 2031322934784. Its totient is φ = 1991153940120.

The previous prime is 2011233020221. The next prime is 2011233020249. The reversal of 2011233020231 is 1320203321102.

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-2011233020231 is a prime.

It is a super-2 number, since 2×2011233020231² (a number of 25 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 (2011233020221) 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, 2335235 + ... + 3078276.

It is an arithmetic number, because the mean of its divisors is an integer number (253915366848).

Almost surely, 2^{2011233020231} is an apocalyptic number.

2011233020231 is a deficient number, since it is larger than the sum of its proper divisors (20089914553).

2011233020231 is a wasteful number, since it uses less digits than its factorization.

2011233020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417221.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2011233020231 its reverse (1320203321102), we get a palindrome (3331436341333).

The spelling of 2011233020231 in words is "two trillion, eleven billion, two hundred thirty-three million, twenty thousand, two hundred thirty-one".