2331213234240 has 224 divisors, whose sum is σ = 8127953832960. Its totient is φ = 561399552000.

The previous prime is 2331213234187. The next prime is 2331213234253. The reversal of 2331213234240 is 424323121332.

It is a happy number.

It is a super-2 number, since 2×2331213234240² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2331213234198 and 2331213234207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 863571 + ... + 2325549.

Almost surely, 2^{2331213234240} is an apocalyptic number.

2331213234240 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 2331213234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4063976916480).

2331213234240 is an abundant number, since it is smaller than the sum of its proper divisors (5796740598720).

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

2331213234240 is a wasteful number, since it uses less digits than its factorization.

2331213234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462161 (or 1462151 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2331213234240 its reverse (424323121332), we get a palindrome (2755536355572).

The spelling of 2331213234240 in words is "two trillion, three hundred thirty-one billion, two hundred thirteen million, two hundred thirty-four thousand, two hundred forty".