3431340220 has 48 divisors (see below), whose sum is σ = 8983876608. Its totient is φ = 1069508160.

The previous prime is 3431340217. The next prime is 3431340293. The reversal of 3431340220 is 220431343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3431340191 and 3431340200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112532 + ... + 1115611.

It is an arithmetic number, because the mean of its divisors is an integer number (187164096).

Almost surely, 2^3431340220 is an apocalyptic number.

It is an amenable number.

3431340220 is an abundant number, since it is smaller than the sum of its proper divisors (5552536388).

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

3431340220 is a wasteful number, since it uses less digits than its factorization.

3431340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228170 (or 2228168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3431340220 is about 58577.6426633916. The cubic root of 3431340220 is about 1508.3006803332.

Adding to 3431340220 its reverse (220431343), we get a palindrome (3651771563).

The spelling of 3431340220 in words is "three billion, four hundred thirty-one million, three hundred forty thousand, two hundred twenty".