30032213291 has 2 divisors, whose sum is σ = 30032213292. Its totient is φ = 30032213290.

The previous prime is 30032213279. The next prime is 30032213353. The reversal of 30032213291 is 19231223003.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30032213291 is a prime.

It is a super-2 number, since 2×30032213291² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30032213291.

It is not a weakly prime, because it can be changed into another prime (30032213221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016106645 + 15016106646.

It is an arithmetic number, because the mean of its divisors is an integer number (15016106646).

Almost surely, 2^30032213291 is an apocalyptic number.

30032213291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032213291 is an equidigital number, since it uses as much as digits as its factorization.

30032213291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 30032213291 its reverse (19231223003), we get a palindrome (49263436294).

The spelling of 30032213291 in words is "thirty billion, thirty-two million, two hundred thirteen thousand, two hundred ninety-one".