30198218236 has 24 divisors (see below), whose sum is σ = 53155824624. Its totient is φ = 15010944000.

The previous prime is 30198218231. The next prime is 30198218249. The reversal of 30198218236 is 63281289103.

It is a junction number, because it is equal to n+sod(n) for n = 30198218192 and 30198218201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30198218231) 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, 1233111 + ... + 1257361.

It is an arithmetic number, because the mean of its divisors is an integer number (2214826026).

Almost surely, 2^30198218236 is an apocalyptic number.

It is an amenable number.

30198218236 is a deficient number, since it is larger than the sum of its proper divisors (22957606388).

30198218236 is a wasteful number, since it uses less digits than its factorization.

30198218236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061 (or 26059 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 30198218236 in words is "thirty billion, one hundred ninety-eight million, two hundred eighteen thousand, two hundred thirty-six".