133031311101 has 24 divisors (see below), whose sum is σ = 208021072896. Its totient is φ = 81436793760.

The previous prime is 133031311051. The next prime is 133031311121. The reversal of 133031311101 is 101113130331.

133031311101 is a `hidden beast` number, since 1 + 330 + 313 + 11 + 10 + 1 = 666.

It is not a de Polignac number, because 133031311101 - 2²⁵ = 132997756669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031311121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2954145 + ... + 2998838.

It is an arithmetic number, because the mean of its divisors is an integer number (8667544704).

Almost surely, 2^133031311101 is an apocalyptic number.

It is an amenable number.

133031311101 is a deficient number, since it is larger than the sum of its proper divisors (74989761795).

133031311101 is a wasteful number, since it uses less digits than its factorization.

133031311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953193 (or 5953190 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 133031311101 its reverse (101113130331), we get a palindrome (234144441432).

The spelling of 133031311101 in words is "one hundred thirty-three billion, thirty-one million, three hundred eleven thousand, one hundred one".