31030030213211 has 8 divisors (see below), whose sum is σ = 31040550506640. Its totient is φ = 31019510891808.

The previous prime is 31030030213207. The next prime is 31030030213243. The reversal of 31030030213211 is 11231203003013.

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

It is a cyclic number.

It is not a de Polignac number, because 31030030213211 - 2² = 31030030213207 is a prime.

It is a super-3 number, since 3×31030030213211³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31030030213291) 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, 66721400 + ... + 67184858.

It is an arithmetic number, because the mean of its divisors is an integer number (3880068813330).

Almost surely, 2^{31030030213211} is an apocalyptic number.

31030030213211 is a deficient number, since it is larger than the sum of its proper divisors (10520293429).

31030030213211 is a wasteful number, since it uses less digits than its factorization.

31030030213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486013.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31030030213211 its reverse (11231203003013), we get a palindrome (42261233216224).

The spelling of 31030030213211 in words is "thirty-one trillion, thirty billion, thirty million, two hundred thirteen thousand, two hundred eleven".