133102101231 has 64 divisors (see below), whose sum is σ = 227176857600. Its totient is φ = 76172335200.

The previous prime is 133102101191. The next prime is 133102101259. The reversal of 133102101231 is 132101201331.

133102101231 is a `hidden beast` number, since 1 + 331 + 0 + 2 + 101 + 231 = 666.

It is not a de Polignac number, because 133102101231 - 2³⁴ = 115922232047 is a prime.

It is a super-2 number, since 2×133102101231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133102101331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1693986 + ... + 1770816.

It is an arithmetic number, because the mean of its divisors is an integer number (3549638400).

Almost surely, 2^133102101231 is an apocalyptic number.

133102101231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133102101231 is a deficient number, since it is larger than the sum of its proper divisors (94074756369).

133102101231 is a wasteful number, since it uses less digits than its factorization.

133102101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77177 (or 77171 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 133102101231 its reverse (132101201331), we get a palindrome (265203302562).

The spelling of 133102101231 in words is "one hundred thirty-three billion, one hundred two million, one hundred one thousand, two hundred thirty-one".