3172101120 has 528 divisors, whose sum is σ = 11909806272. Its totient is φ = 778567680.

The previous prime is 3172101073. The next prime is 3172101173. The reversal of 3172101120 is 211012713.

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 = 3172101093 and 3172101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43453404 + ... + 43453476.

Almost surely, 2^3172101120 is an apocalyptic number.

3172101120 is a gapful number since it is divisible by the number (30) 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 3172101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5954903136).

3172101120 is an abundant number, since it is smaller than the sum of its proper divisors (8737705152).

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

3172101120 is a wasteful number, since it uses less digits than its factorization.

3172101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 3172101120 is about 56321.4090732822. The cubic root of 3172101120 is about 1469.3175785684.

Adding to 3172101120 its reverse (211012713), we get a palindrome (3383113833).

The spelling of 3172101120 in words is "three billion, one hundred seventy-two million, one hundred one thousand, one hundred twenty".