133311234213 has 16 divisors (see below), whose sum is σ = 197512043200. Its totient is φ = 88867892880.

The previous prime is 133311234211. The next prime is 133311234313. The reversal of 133311234213 is 312432113331.

133311234213 is a `hidden beast` number, since 1 + 3 + 3 + 311 + 2 + 342 + 1 + 3 = 666.

It is not a de Polignac number, because 133311234213 - 2¹ = 133311234211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311234211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233598 + ... + 566736.

It is an arithmetic number, because the mean of its divisors is an integer number (12344502700).

Almost surely, 2^133311234213 is an apocalyptic number.

It is an amenable number.

133311234213 is a deficient number, since it is larger than the sum of its proper divisors (64200808987).

133311234213 is a wasteful number, since it uses less digits than its factorization.

133311234213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347969 (or 347963 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 133311234213 its reverse (312432113331), we get a palindrome (445743347544).

The spelling of 133311234213 in words is "one hundred thirty-three billion, three hundred eleven million, two hundred thirty-four thousand, two hundred thirteen".