133321231000 has 64 divisors (see below), whose sum is σ = 312025970880. Its totient is φ = 53319212800.

The previous prime is 133321230943. The next prime is 133321231013. The reversal of 133321231000 is 132123331.

It is a super-2 number, since 2×133321231000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10480644 + ... + 10493356.

It is an arithmetic number, because the mean of its divisors is an integer number (4875405795).

Almost surely, 2^133321231000 is an apocalyptic number.

133321231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133321231000 is an abundant number, since it is smaller than the sum of its proper divisors (178704739880).

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

133321231000 is a wasteful number, since it uses less digits than its factorization.

133321231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23221 (or 23207 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133321231000 its reverse (132123331), we get a palindrome (133453354331).

The spelling of 133321231000 in words is "one hundred thirty-three billion, three hundred twenty-one million, two hundred thirty-one thousand".