30880220409 has 10 divisors (see below), whose sum is σ = 46129712090. Its totient is φ = 20586813552.

The previous prime is 30880220407. The next prime is 30880220411. The reversal of 30880220409 is 90402208803.

It is an interprime number because it is at equal distance from previous prime (30880220407) and next prime (30880220411).

It can be written as a sum of positive squares in only one way, i.e., 30879275625 + 944784 = 175725^2 + 972^2 .

It is not a de Polignac number, because 30880220409 - 2¹ = 30880220407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30880220407) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 190618564 + ... + 190618725.

It is an arithmetic number, because the mean of its divisors is an integer number (4612971209).

Almost surely, 2^30880220409 is an apocalyptic number.

It is an amenable number.

30880220409 is a deficient number, since it is larger than the sum of its proper divisors (15249491681).

30880220409 is an equidigital number, since it uses as much as digits as its factorization.

30880220409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381237301 (or 381237292 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 30880220409 in words is "thirty billion, eight hundred eighty million, two hundred twenty thousand, four hundred nine".