133323100312 has 8 divisors (see below), whose sum is σ = 249980813100. Its totient is φ = 66661550152.

The previous prime is 133323100277. The next prime is 133323100319. The reversal of 133323100312 is 213001323331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×133323100312² (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 (133323100319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332693762 + ... + 8332693777.

Almost surely, 2^133323100312 is an apocalyptic number.

It is an amenable number.

133323100312 is a deficient number, since it is larger than the sum of its proper divisors (116657712788).

133323100312 is a wasteful number, since it uses less digits than its factorization.

133323100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665387545 (or 16665387541 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133323100312 its reverse (213001323331), we get a palindrome (346324423643).

The spelling of 133323100312 in words is "one hundred thirty-three billion, three hundred twenty-three million, one hundred thousand, three hundred twelve".