30211110321312 has 48 divisors (see below), whose sum is σ = 79310068149312. Its totient is φ = 10069620449280.

The previous prime is 30211110321281. The next prime is 30211110321347. The reversal of 30211110321312 is 21312301111203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×30211110321312² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10416348 + ... + 12997019.

It is an arithmetic number, because the mean of its divisors is an integer number (1652293086444).

Almost surely, 2^{30211110321312} is an apocalyptic number.

30211110321312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30211110321312 is an abundant number, since it is smaller than the sum of its proper divisors (49098957828000).

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

30211110321312 is a wasteful number, since it uses less digits than its factorization.

30211110321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23426821 (or 23426813 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 30211110321312 its reverse (21312301111203), we get a palindrome (51523411432515).

The spelling of 30211110321312 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, three hundred twenty-one thousand, three hundred twelve".