133231331101 has 16 divisors (see below), whose sum is σ = 150118770816. Its totient is φ = 118165212000.

The previous prime is 133231331083. The next prime is 133231331111. The reversal of 133231331101 is 101133132331.

It is not a de Polignac number, because 133231331101 - 2¹¹ = 133231329053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231331111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166145 + ... + 1275286.

It is an arithmetic number, because the mean of its divisors is an integer number (9382423176).

Almost surely, 2^133231331101 is an apocalyptic number.

133231331101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133231331101 is a deficient number, since it is larger than the sum of its proper divisors (16887439715).

133231331101 is an equidigital number, since it uses as much as digits as its factorization.

133231331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441505 (or 2441483 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 133231331101 its reverse (101133132331), we get a palindrome (234364463432).

The spelling of 133231331101 in words is "one hundred thirty-three billion, two hundred thirty-one million, three hundred thirty-one thousand, one hundred one".