133143523101 has 12 divisors (see below), whose sum is σ = 198950092380. Its totient is φ = 85701577920.

The previous prime is 133143523081. The next prime is 133143523103. The reversal of 133143523101 is 101325341331.

133143523101 is a `hidden beast` number, since 1 + 3 + 31 + 4 + 3 + 523 + 101 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 95750019225 + 37393503876 = 309435^2 + 193374^2 .

It is not a de Polignac number, because 133143523101 - 2²² = 133139328797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143523103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255063960 + ... + 255064481.

It is an arithmetic number, because the mean of its divisors is an integer number (16579174365).

Almost surely, 2^133143523101 is an apocalyptic number.

It is an amenable number.

133143523101 is a deficient number, since it is larger than the sum of its proper divisors (65806569279).

133143523101 is a wasteful number, since it uses less digits than its factorization.

133143523101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510128476 (or 510128473 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 133143523101 its reverse (101325341331), we get a palindrome (234468864432).

The spelling of 133143523101 in words is "one hundred thirty-three billion, one hundred forty-three million, five hundred twenty-three thousand, one hundred one".