3431252220 has 48 divisors (see below), whose sum is σ = 10480917888. Its totient is φ = 831818560.

The previous prime is 3431252213. The next prime is 3431252221. The reversal of 3431252220 is 222521343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431252221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598774 + ... + 2600093.

It is an arithmetic number, because the mean of its divisors is an integer number (218352456).

Almost surely, 2^3431252220 is an apocalyptic number.

3431252220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3431252220 is an abundant number, since it is smaller than the sum of its proper divisors (7049665668).

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

3431252220 is a wasteful number, since it uses less digits than its factorization.

3431252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198890 (or 5198888 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3431252220 is about 58576.8915187551. The cubic root of 3431252220 is about 1508.2877862854.

Adding to 3431252220 its reverse (222521343), we get a palindrome (3653773563).

The spelling of 3431252220 in words is "three billion, four hundred thirty-one million, two hundred fifty-two thousand, two hundred twenty".