2313032220 has 96 divisors (see below), whose sum is σ = 7371685440. Its totient is φ = 601758720.

The previous prime is 2313032213. The next prime is 2313032243. The reversal of 2313032220 is 222303132.

It is a happy number.

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 = 2313032193 and 2313032202.

It is a congruent number.

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, 30097 + ... + 74376.

It is an arithmetic number, because the mean of its divisors is an integer number (76788390).

Almost surely, 2^2313032220 is an apocalyptic number.

2313032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313032220 is an abundant number, since it is smaller than the sum of its proper divisors (5058653220).

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

2313032220 is a wasteful number, since it uses less digits than its factorization.

2313032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104532 (or 104524 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2313032220 is about 48093.9935958743. The cubic root of 2313032220 is about 1322.4945596264.

Adding to 2313032220 its reverse (222303132), we get a palindrome (2535335352).

The spelling of 2313032220 in words is "two billion, three hundred thirteen million, thirty-two thousand, two hundred twenty".