3231865125 has 192 divisors, whose sum is σ = 6483110400. Its totient is φ = 1543449600.

The previous prime is 3231865069. The next prime is 3231865141. The reversal of 3231865125 is 5215681323.

3231865125 is a `hidden beast` number, since 32 + 31 + 86 + 512 + 5 = 666.

It is not a de Polignac number, because 3231865125 - 2¹¹ = 3231863077 is a prime.

Its product of digits (43200) is a multiple of the sum of its prime divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 3231865125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44272089 + ... + 44272161.

It is an arithmetic number, because the mean of its divisors is an integer number (33766200).

Almost surely, 2^3231865125 is an apocalyptic number.

It is an amenable number.

3231865125 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3231865125 is a wasteful number, since it uses less digits than its factorization.

3231865125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 192 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3231865125 is about 56849.4953803462. The cubic root of 3231865125 is about 1478.4877914503.

The spelling of 3231865125 in words is "three billion, two hundred thirty-one million, eight hundred sixty-five thousand, one hundred twenty-five".