2331212133 has 8 divisors (see below), whose sum is σ = 3113672128. Its totient is φ = 1551446784.

The previous prime is 2331212113. The next prime is 2331212161. The reversal of 2331212133 is 3312121332.

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

It is not a de Polignac number, because 2331212133 - 2⁵ = 2331212101 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 (2331212113) 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, 671641 + ... + 675102.

It is an arithmetic number, because the mean of its divisors is an integer number (389209016).

Almost surely, 2^2331212133 is an apocalyptic number.

It is an amenable number.

2331212133 is a deficient number, since it is larger than the sum of its proper divisors (782459995).

2331212133 is a wasteful number, since it uses less digits than its factorization.

2331212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347323.

The product of its digits is 648, while the sum is 21.

The square root of 2331212133 is about 48282.6276521898. The cubic root of 2331212133 is about 1325.9503580395.

Adding to 2331212133 its reverse (3312121332), we get a palindrome (5643333465).

It can be divided in two parts, 2 and 331212133, that multiplied together give a palindrome (662424266).

The spelling of 2331212133 in words is "two billion, three hundred thirty-one million, two hundred twelve thousand, one hundred thirty-three".