3220140031 has 4 divisors (see below), whose sum is σ = 3224498200. Its totient is φ = 3215781864.

The previous prime is 3220139981. The next prime is 3220140059. The reversal of 3220140031 is 1300410223.

It is a happy number.

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 3220140031 - 2¹¹ = 3220137983 is a prime.

It is a super-2 number, since 2×3220140031² = 20738603638497361922, 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 = 3220139987 and 3220140014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220140631) 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, 2177976 + ... + 2179453.

It is an arithmetic number, because the mean of its divisors is an integer number (806124550).

Almost surely, 2^3220140031 is an apocalyptic number.

3220140031 is a deficient number, since it is larger than the sum of its proper divisors (4358169).

3220140031 is an equidigital number, since it uses as much as digits as its factorization.

3220140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358168.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3220140031 is about 56746.2776840913. The cubic root of 3220140031 is about 1476.6976574665.

Adding to 3220140031 its reverse (1300410223), we get a palindrome (4520550254).

The spelling of 3220140031 in words is "three billion, two hundred twenty million, one hundred forty thousand, thirty-one".