3201611425320 has 384 divisors, whose sum is σ = 12205640079360. Its totient is φ = 664345059840.

The previous prime is 3201611425289. The next prime is 3201611425349. The reversal of 3201611425320 is 235241161023.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46988317 + ... + 47056403.

It is an arithmetic number, because the mean of its divisors is an integer number (31785521040).

Almost surely, 2^{3201611425320} is an apocalyptic number.

3201611425320 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 3201611425320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6102820039680).

3201611425320 is an abundant number, since it is smaller than the sum of its proper divisors (9004028654040).

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

3201611425320 is a wasteful number, since it uses less digits than its factorization.

3201611425320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68853 (or 68842 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 3201611425320 its reverse (235241161023), we get a palindrome (3436852586343).

The spelling of 3201611425320 in words is "three trillion, two hundred one billion, six hundred eleven million, four hundred twenty-five thousand, three hundred twenty".