133131102 has 24 divisors (see below), whose sum is σ = 288321624. Its totient is φ = 40963104.

The previous prime is 133131091. The next prime is 133131121. The reversal of 133131102 is 201131331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64633 + ... + 66660.

It is an arithmetic number, because the mean of its divisors is an integer number (12013401).

Almost surely, 2^133131102 is an apocalyptic number.

133131102 is an abundant number, since it is smaller than the sum of its proper divisors (155190522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133131102 is a wasteful number, since it uses less digits than its factorization.

133131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131324 (or 131311 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133131102 is about 11538.2451872024. The cubic root of 133131102 is about 510.6145379378.

Adding to 133131102 its reverse (201131331), we get a palindrome (334262433).

The spelling of 133131102 in words is "one hundred thirty-three million, one hundred thirty-one thousand, one hundred two".