3223530731 has 2 divisors, whose sum is σ = 3223530732. Its totient is φ = 3223530730.

The previous prime is 3223530727. The next prime is 3223530743. The reversal of 3223530731 is 1370353223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3223530731 - 2² = 3223530727 is a prime.

It is a super-2 number, since 2×3223530731² = 20782300747402788722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3223530694 and 3223530703.

It is not a weakly prime, because it can be changed into another prime (3223530721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611765365 + 1611765366.

It is an arithmetic number, because the mean of its divisors is an integer number (1611765366).

Almost surely, 2^3223530731 is an apocalyptic number.

3223530731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223530731 is an equidigital number, since it uses as much as digits as its factorization.

3223530731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 3223530731 is about 56776.1457920490. The cubic root of 3223530731 is about 1477.2157801062.

Adding to 3223530731 its reverse (1370353223), we get a palindrome (4593883954).

The spelling of 3223530731 in words is "three billion, two hundred twenty-three million, five hundred thirty thousand, seven hundred thirty-one".