3287695631 has 4 divisors (see below), whose sum is σ = 3586577064. Its totient is φ = 2988814200.

The previous prime is 3287695627. The next prime is 3287695687. The reversal of 3287695631 is 1365967823.

3287695631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3287695631 - 2² = 3287695627 is a prime.

It is a super-2 number, since 2×3287695631² = 21617885124192976322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3287695631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287695031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149440700 + ... + 149440721.

It is an arithmetic number, because the mean of its divisors is an integer number (896644266).

Almost surely, 2^3287695631 is an apocalyptic number.

3287695631 is a deficient number, since it is larger than the sum of its proper divisors (298881433).

3287695631 is a wasteful number, since it uses less digits than its factorization.

3287695631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298881432.

The product of its digits is 1632960, while the sum is 50.

The square root of 3287695631 is about 57338.4306639099. The cubic root of 3287695631 is about 1486.9528632574.

The spelling of 3287695631 in words is "three billion, two hundred eighty-seven million, six hundred ninety-five thousand, six hundred thirty-one".