3231707028 has 96 divisors (see below), whose sum is σ = 8447846400. Its totient is φ = 953149440.

The previous prime is 3231707009. The next prime is 3231707047. The reversal of 3231707028 is 8207071323.

It is an interprime number because it is at equal distance from previous prime (3231707009) and next prime (3231707047).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 3231707028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196023 + ... + 1198721.

It is an arithmetic number, because the mean of its divisors is an integer number (87998400).

Almost surely, 2^3231707028 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 3231707028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4223923200).

3231707028 is an abundant number, since it is smaller than the sum of its proper divisors (5216139372).

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

3231707028 is a wasteful number, since it uses less digits than its factorization.

3231707028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 3231707028 is about 56848.1048760643. The cubic root of 3231707028 is about 1478.4636827405.

The spelling of 3231707028 in words is "three billion, two hundred thirty-one million, seven hundred seven thousand, twenty-eight".