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133331322031 = 179198534297
BaseRepresentation
bin111110000101100101…
…0101000010010101111
3110202011002101221100021
41330023022220102233
54141030304301111
6141130200543011
712430034352325
oct1741312502257
9422132357307
10133331322031
1151600067736
1221a10481a67
13c75b1027bb
14664bab9d15
153705551d71
hex1f0b2a84af

133331322031 has 8 divisors (see below), whose sum is σ = 141327974880. Its totient is φ = 125351739648.

The previous prime is 133331322029. The next prime is 133331322041. The reversal of 133331322031 is 130223133331.

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

It is not a de Polignac number, because 133331322031 - 21 = 133331322029 is a prime.

It is a super-2 number, since 2×1333313220312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133331321987 and 133331322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133331322041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4251526 + ... + 4282771.

It is an arithmetic number, because the mean of its divisors is an integer number (17665996860).

Almost surely, 2133331322031 is an apocalyptic number.

133331322031 is a deficient number, since it is larger than the sum of its proper divisors (7996652849).

133331322031 is an equidigital number, since it uses as much as digits as its factorization.

133331322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535233.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133331322031 its reverse (130223133331), we get a palindrome (263554455362).

The spelling of 133331322031 in words is "one hundred thirty-three billion, three hundred thirty-one million, three hundred twenty-two thousand, thirty-one".

Divisors: 1 17 919 15623 8534297 145083049 7843018943 133331322031