30121181326 has 16 divisors (see below), whose sum is σ = 45440212608. Its totient is φ = 14974610400.

The previous prime is 30121181309. The next prime is 30121181339. The reversal of 30121181326 is 62318112103.

It is a happy number.

It is a super-2 number, since 2×30121181326² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30121181294 and 30121181303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325036 + ... + 407296.

It is an arithmetic number, because the mean of its divisors is an integer number (2840013288).

Almost surely, 2^30121181326 is an apocalyptic number.

30121181326 is a deficient number, since it is larger than the sum of its proper divisors (15319031282).

30121181326 is a wasteful number, since it uses less digits than its factorization.

30121181326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83307.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 30121181326 its reverse (62318112103), we get a palindrome (92439293429).

The spelling of 30121181326 in words is "thirty billion, one hundred twenty-one million, one hundred eighty-one thousand, three hundred twenty-six".