30121153116 has 24 divisors (see below), whose sum is σ = 70369375104. Its totient is φ = 10028000880.

The previous prime is 30121153091. The next prime is 30121153123. The reversal of 30121153116 is 61135112103.

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, 1537800 + ... + 1557263.

It is an arithmetic number, because the mean of its divisors is an integer number (2932057296).

Almost surely, 2^30121153116 is an apocalyptic number.

It is an amenable number.

30121153116 is an abundant number, since it is smaller than the sum of its proper divisors (40248221988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30121153116 is a wasteful number, since it uses less digits than its factorization.

30121153116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095881 (or 3095879 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 30121153116 its reverse (61135112103), we get a palindrome (91256265219).

The spelling of 30121153116 in words is "thirty billion, one hundred twenty-one million, one hundred fifty-three thousand, one hundred sixteen".