2331131213 has 8 divisors (see below), whose sum is σ = 2433207168. Its totient is φ = 2229115504.

The previous prime is 2331131203. The next prime is 2331131227. The reversal of 2331131213 is 3121311332.

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

It is a cyclic number.

It is not a de Polignac number, because 2331131213 - 2⁴ = 2331131197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331131203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75731 + ... + 101967.

It is an arithmetic number, because the mean of its divisors is an integer number (304150896).

Almost surely, 2^2331131213 is an apocalyptic number.

2331131213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2331131213 is a deficient number, since it is larger than the sum of its proper divisors (102075955).

2331131213 is a wasteful number, since it uses less digits than its factorization.

2331131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30123.

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

The square root of 2331131213 is about 48281.7896623561. The cubic root of 2331131213 is about 1325.9350159288.

Adding to 2331131213 its reverse (3121311332), we get a palindrome (5452442545).

The spelling of 2331131213 in words is "two billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred thirteen".