31303200212011 has 8 divisors (see below), whose sum is σ = 38527015645664. Its totient is φ = 24767367200640.

The previous prime is 31303200211973. The next prime is 31303200212017. The reversal of 31303200212011 is 11021200230313.

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 31303200212011 - 2³⁵ = 31268840473643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31303200212011.

It is not an unprimeable number, because it can be changed into a prime (31303200212017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171995605470 + ... + 171995605651.

It is an arithmetic number, because the mean of its divisors is an integer number (4815876955708).

Almost surely, 2^{31303200212011} is an apocalyptic number.

31303200212011 is a deficient number, since it is larger than the sum of its proper divisors (7223815433653).

31303200212011 is a wasteful number, since it uses less digits than its factorization.

31303200212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343991211141.

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

Adding to 31303200212011 its reverse (11021200230313), we get a palindrome (42324400442324).

The spelling of 31303200212011 in words is "thirty-one trillion, three hundred three billion, two hundred million, two hundred twelve thousand, eleven".