30212433311 has 24 divisors (see below), whose sum is σ = 33330245760. Its totient is φ = 27330448464.

The previous prime is 30212433271. The next prime is 30212433323. The reversal of 30212433311 is 11333421203.

It is a de Polignac number, because none of the positive numbers 2^k-30212433311 is a prime.

It is a super-2 number, since 2×30212433311² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212433331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5336000 + ... + 5341658.

It is an arithmetic number, because the mean of its divisors is an integer number (1388760240).

Almost surely, 2^30212433311 is an apocalyptic number.

30212433311 is a deficient number, since it is larger than the sum of its proper divisors (3117812449).

30212433311 is a wasteful number, since it uses less digits than its factorization.

30212433311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363 (or 6344 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30212433311 its reverse (11333421203), we get a palindrome (41545854514).

The spelling of 30212433311 in words is "thirty billion, two hundred twelve million, four hundred thirty-three thousand, three hundred eleven".