133131312300 has 72 divisors (see below), whose sum is σ = 440220879616. Its totient is φ = 30430013760.

The previous prime is 133131312299. The next prime is 133131312337. The reversal of 133131312300 is 3213131331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31695832 + ... + 31700031.

Almost surely, 2^133131312300 is an apocalyptic number.

133131312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133131312300 is an abundant number, since it is smaller than the sum of its proper divisors (307089567316).

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

133131312300 is a wasteful number, since it uses less digits than its factorization.

133131312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63395887 (or 63395880 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133131312300 its reverse (3213131331), we get a palindrome (136344443631).

The spelling of 133131312300 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred twelve thousand, three hundred".