3193145028 has 36 divisors (see below), whose sum is σ = 8107776768. Its totient is φ = 1059606000.

The previous prime is 3193145023. The next prime is 3193145051. The reversal of 3193145028 is 8205413913.

3193145028 is a `hidden beast` number, since 319 + 314 + 5 + 0 + 28 = 666.

3193145028 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3193145028² = 20392350339682241568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3193144983 and 3193145001.

It is not an unprimeable number, because it can be changed into a prime (3193145023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190848 + ... + 206903.

Almost surely, 2^3193145028 is an apocalyptic number.

It is an amenable number.

3193145028 is an abundant number, since it is smaller than the sum of its proper divisors (4914631740).

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

3193145028 is a wasteful number, since it uses less digits than its factorization.

3193145028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397984 (or 397979 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3193145028 is about 56507.9200466625. The cubic root of 3193145028 is about 1472.5595999947.

The spelling of 3193145028 in words is "three billion, one hundred ninety-three million, one hundred forty-five thousand, twenty-eight".