30960880851 has 4 divisors (see below), whose sum is σ = 41281174472. Its totient is φ = 20640587232.

The previous prime is 30960880807. The next prime is 30960880859. The reversal of 30960880851 is 15808806903.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30960880851 - 2⁶ = 30960880787 is a prime.

It is a super-2 number, since 2×30960880851² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30960880851.

It is not an unprimeable number, because it can be changed into a prime (30960880859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160146806 + ... + 5160146811.

It is an arithmetic number, because the mean of its divisors is an integer number (10320293618).

Almost surely, 2^30960880851 is an apocalyptic number.

30960880851 is a deficient number, since it is larger than the sum of its proper divisors (10320293621).

30960880851 is a wasteful number, since it uses less digits than its factorization.

30960880851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320293620.

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 30960880851 in words is "thirty billion, nine hundred sixty million, eight hundred eighty thousand, eight hundred fifty-one".