3225531031 has 4 divisors (see below), whose sum is σ = 3227256864. Its totient is φ = 3223805200.

The previous prime is 3225530999. The next prime is 3225531037. The reversal of 3225531031 is 1301355223.

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 3225531031 - 2⁵ = 3225530999 is a prime.

It is a super-2 number, since 2×3225531031² = 20808100863887845922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3225530987 and 3225531005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225531037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860110 + ... + 863851.

It is an arithmetic number, because the mean of its divisors is an integer number (806814216).

Almost surely, 2^3225531031 is an apocalyptic number.

3225531031 is a deficient number, since it is larger than the sum of its proper divisors (1725833).

3225531031 is a wasteful number, since it uses less digits than its factorization.

3225531031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725832.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 3225531031 is about 56793.7587328044. The cubic root of 3225531031 is about 1477.5212695405.

Adding to 3225531031 its reverse (1301355223), we get a palindrome (4526886254).

The spelling of 3225531031 in words is "three billion, two hundred twenty-five million, five hundred thirty-one thousand, thirty-one".