30131013222 has 12 divisors (see below), whose sum is σ = 65283862020. Its totient is φ = 10043671068.

The previous prime is 30131013221. The next prime is 30131013223. The reversal of 30131013222 is 22231013103.

30131013222 is a `hidden beast` number, since 30 + 1 + 310 + 1 + 322 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (30131013221) and next prime (30131013223).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1673945179 = 30131013222 / (3 + 0 + 1 + 3 + 1 + 0 + 1 + 3 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 30131013195 and 30131013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131013221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836972572 + ... + 836972607.

It is an arithmetic number, because the mean of its divisors is an integer number (5440321835).

Almost surely, 2^30131013222 is an apocalyptic number.

30131013222 is an abundant number, since it is smaller than the sum of its proper divisors (35152848798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131013222 is a wasteful number, since it uses less digits than its factorization.

30131013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673945187 (or 1673945184 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30131013222 its reverse (22231013103), we get a palindrome (52362026325).

The spelling of 30131013222 in words is "thirty billion, one hundred thirty-one million, thirteen thousand, two hundred twenty-two".