30202230312 has 24 divisors (see below), whose sum is σ = 81797707290. Its totient is φ = 10067410080.

The previous prime is 30202230301. The next prime is 30202230323. The reversal of 30202230312 is 21303220203.

It is a happy number.

30202230312 is a `hidden beast` number, since 302 + 0 + 22 + 30 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (30202230301) and next prime (30202230323).

It can be written as a sum of positive squares in only one way, i.e., 29696250276 + 505980036 = 172326^2 + 22494^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209737639 + ... + 209737782.

Almost surely, 2^30202230312 is an apocalyptic number.

It is an amenable number.

30202230312 is an abundant number, since it is smaller than the sum of its proper divisors (51595476978).

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

30202230312 is a wasteful number, since it uses less digits than its factorization.

30202230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419475433 (or 419475426 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30202230312 its reverse (21303220203), we get a palindrome (51505450515).

The spelling of 30202230312 in words is "thirty billion, two hundred two million, two hundred thirty thousand, three hundred twelve".