133211020311 has 32 divisors (see below), whose sum is σ = 204267571200. Its totient is φ = 85697670240.

The previous prime is 133211020301. The next prime is 133211020321. The reversal of 133211020311 is 113020112331.

133211020311 is a `hidden beast` number, since 1 + 3 + 321 + 10 + 20 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (133211020301) and next prime (133211020321).

It is not a de Polignac number, because 133211020311 - 2¹⁵ = 133210987543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1400146 + ... + 1492256.

It is an arithmetic number, because the mean of its divisors is an integer number (6383361600).

Almost surely, 2^133211020311 is an apocalyptic number.

133211020311 is a deficient number, since it is larger than the sum of its proper divisors (71056550889).

133211020311 is a wasteful number, since it uses less digits than its factorization.

133211020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93996 (or 93990 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 133211020311 its reverse (113020112331), we get a palindrome (246231132642).

The spelling of 133211020311 in words is "one hundred thirty-three billion, two hundred eleven million, twenty thousand, three hundred eleven".