15330313121 has 4 divisors (see below), whose sum is σ = 15447338544. Its totient is φ = 15213287700.

The previous prime is 15330313093. The next prime is 15330313133. The reversal of 15330313121 is 12131303351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12131303351 = 97 ⋅125064983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15330313121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15330312121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58512515 + ... + 58512776.

It is an arithmetic number, because the mean of its divisors is an integer number (3861834636).

Almost surely, 2^15330313121 is an apocalyptic number.

It is an amenable number.

15330313121 is a deficient number, since it is larger than the sum of its proper divisors (117025423).

15330313121 is a wasteful number, since it uses less digits than its factorization.

15330313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117025422.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 15330313121 its reverse (12131303351), we get a palindrome (27461616472).

The spelling of 15330313121 in words is "fifteen billion, three hundred thirty million, three hundred thirteen thousand, one hundred twenty-one".