133331020231 has 8 divisors (see below), whose sum is σ = 136916365824. Its totient is φ = 129785292000.

The previous prime is 133331020189. The next prime is 133331020283. The reversal of 133331020231 is 132020133331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133331020231 - 2¹³ = 133331012039 is a prime.

It is a super-2 number, since 2×133331020231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133331024231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9897520 + ... + 9910981.

It is an arithmetic number, because the mean of its divisors is an integer number (17114545728).

Almost surely, 2^133331020231 is an apocalyptic number.

133331020231 is a deficient number, since it is larger than the sum of its proper divisors (3585345593).

133331020231 is a wasteful number, since it uses less digits than its factorization.

133331020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808681.

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

Adding to 133331020231 its reverse (132020133331), we get a palindrome (265351153562).

The spelling of 133331020231 in words is "one hundred thirty-three billion, three hundred thirty-one million, twenty thousand, two hundred thirty-one".