30550202131 has 4 divisors (see below), whose sum is σ = 31260671992. Its totient is φ = 29839732272.

The previous prime is 30550202119. The next prime is 30550202173. The reversal of 30550202131 is 13120205503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13120205503 = 499 ⋅26292997.

It is a cyclic number.

It is not a de Polignac number, because 30550202131 - 2⁷ = 30550202003 is a prime.

It is a super-2 number, since 2×30550202131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30550202231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355234866 + ... + 355234951.

It is an arithmetic number, because the mean of its divisors is an integer number (7815167998).

Almost surely, 2^30550202131 is an apocalyptic number.

30550202131 is a deficient number, since it is larger than the sum of its proper divisors (710469861).

30550202131 is an equidigital number, since it uses as much as digits as its factorization.

30550202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710469860.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 30550202131 its reverse (13120205503), we get a palindrome (43670407634).

The spelling of 30550202131 in words is "thirty billion, five hundred fifty million, two hundred two thousand, one hundred thirty-one".