3420031120 has 80 divisors (see below), whose sum is σ = 8746404480. Its totient is φ = 1243608960.

The previous prime is 3420031099. The next prime is 3420031123. The reversal of 3420031120 is 211300243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3420031120² = 23393225723536908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3420031094 and 3420031103.

It is not an unprimeable number, because it can be changed into a prime (3420031123) 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, 90421 + ... + 122539.

It is an arithmetic number, because the mean of its divisors is an integer number (109330056).

Almost surely, 2^3420031120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420031120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4373202240).

3420031120 is an abundant number, since it is smaller than the sum of its proper divisors (5326373360).

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

3420031120 is a wasteful number, since it uses less digits than its factorization.

3420031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32165 (or 32137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3420031120 is about 58481.0321386345. The cubic root of 3420031120 is about 1506.6418244092.

Adding to 3420031120 its reverse (211300243), we get a palindrome (3631331363).

The spelling of 3420031120 in words is "three billion, four hundred twenty million, thirty-one thousand, one hundred twenty".