2331213120 has 336 divisors, whose sum is σ = 8347667328. Its totient is φ = 596643840.

The previous prime is 2331213119. The next prime is 2331213121. The reversal of 2331213120 is 213121332.

2331213120 is a `hidden beast` number, since 2 + 331 + 21 + 312 + 0 = 666.

2331213120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2331213119) and next prime (2331213121).

It is a super-2 number, since 2×2331213120² = 10869109221720268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2331213093 and 2331213102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331213121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13959277 + ... + 13959443.

It is an arithmetic number, because the mean of its divisors is an integer number (24844248).

Almost surely, 2^2331213120 is an apocalyptic number.

2331213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2331213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173833664).

2331213120 is an abundant number, since it is smaller than the sum of its proper divisors (6016454208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331213120 is a wasteful number, since it uses less digits than its factorization.

2331213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2331213120 is about 48282.6378732563. The cubic root of 2331213120 is about 1325.9505451686.

Adding to 2331213120 its reverse (213121332), we get a palindrome (2544334452).

The spelling of 2331213120 in words is "two billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred twenty".