30011222131 has 8 divisors (see below), whose sum is σ = 32778547200. Its totient is φ = 27250402440.

The previous prime is 30011222123. The next prime is 30011222173. The reversal of 30011222131 is 13122211003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30011222131 - 2³ = 30011222123 is a prime.

It is a super-2 number, since 2×30011222131² (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 (30011222191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616691 + ... + 1635148.

It is an arithmetic number, because the mean of its divisors is an integer number (4097318400).

Almost surely, 2^30011222131 is an apocalyptic number.

30011222131 is a deficient number, since it is larger than the sum of its proper divisors (2767325069).

30011222131 is a wasteful number, since it uses less digits than its factorization.

30011222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252689.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30011222131 its reverse (13122211003), we get a palindrome (43133433134).

The spelling of 30011222131 in words is "thirty billion, eleven million, two hundred twenty-two thousand, one hundred thirty-one".