30211132312 has 16 divisors (see below), whose sum is σ = 56650595400. Its totient is φ = 15104306880.

The previous prime is 30211132283. The next prime is 30211132313. The reversal of 30211132312 is 21323111203.

It is a self number, because there is not a number n which added to its sum of digits gives 30211132312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211132313) 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, 51237 + ... + 251092.

Almost surely, 2^30211132312 is an apocalyptic number.

It is an amenable number.

30211132312 is a deficient number, since it is larger than the sum of its proper divisors (26439463088).

30211132312 is a wasteful number, since it uses less digits than its factorization.

30211132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314826 (or 314822 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30211132312 its reverse (21323111203), we get a palindrome (51534243515).

The spelling of 30211132312 in words is "thirty billion, two hundred eleven million, one hundred thirty-two thousand, three hundred twelve".