133132101231231 has 24 divisors (see below), whose sum is σ = 194005470821136. Its totient is φ = 87968496026880.

The previous prime is 133132101231221. The next prime is 133132101231299. The reversal of 133132101231231 is 132132101231331.

133132101231231 is a `hidden beast` number, since 1 + 3 + 313 + 2 + 1 + 0 + 1 + 2 + 312 + 31 = 666.

It is not a de Polignac number, because 133132101231231 - 2²² = 133132097036927 is a prime.

It is a super-2 number, since 2×133132101231231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133132101231195 and 133132101231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133132101231221) 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, 124529241 + ... + 125593773.

It is an arithmetic number, because the mean of its divisors is an integer number (8083561284214).

Almost surely, 2^{133132101231231} is an apocalyptic number.

133132101231231 is a deficient number, since it is larger than the sum of its proper divisors (60873369589905).

133132101231231 is a wasteful number, since it uses less digits than its factorization.

133132101231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187623 (or 1187620 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133132101231231 its reverse (132132101231331), we get a palindrome (265264202462562).

The spelling of 133132101231231 in words is "one hundred thirty-three trillion, one hundred thirty-two billion, one hundred one million, two hundred thirty-one thousand, two hundred thirty-one".