30211212309 has 8 divisors (see below), whose sum is σ = 40696891200. Its totient is φ = 19933170816.

The previous prime is 30211212281. The next prime is 30211212313. The reversal of 30211212309 is 90321211203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30211212309 - 2¹² = 30211208213 is a prime.

It is a super-2 number, since 2×30211212309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211212359) 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, 51909009 + ... + 51909590.

It is an arithmetic number, because the mean of its divisors is an integer number (5087111400).

Almost surely, 2^30211212309 is an apocalyptic number.

It is an amenable number.

30211212309 is a deficient number, since it is larger than the sum of its proper divisors (10485678891).

30211212309 is a wasteful number, since it uses less digits than its factorization.

30211212309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103818699.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 30211212309 in words is "thirty billion, two hundred eleven million, two hundred twelve thousand, three hundred nine".