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133032313021 = 1230311081291
BaseRepresentation
bin111101111100101011…
…0000000000010111101
3110201101020202201002111
41323321112000002331
54134422233004041
6141040400054021
712416444001046
oct1737126000275
9421336681074
10133032313021
11514672aa853
1221948304311
13c711190aaa
1466200c38cd
1536d918b981
hex1ef95800bd

133032313021 has 4 divisors (see below), whose sum is σ = 133033517344. Its totient is φ = 133031108700.

The previous prime is 133032313019. The next prime is 133032313033. The reversal of 133032313021 is 120313230331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133032313021 - 21 = 133032313019 is a prime.

It is a super-2 number, since 2×1330323130212 (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 = 133032312983 and 133032313001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133032313061) 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 3 ways as a sum of consecutive naturals, for example, 417615 + ... + 663676.

It is an arithmetic number, because the mean of its divisors is an integer number (33258379336).

Almost surely, 2133032313021 is an apocalyptic number.

It is an amenable number.

133032313021 is a deficient number, since it is larger than the sum of its proper divisors (1204323).

133032313021 is a wasteful number, since it uses less digits than its factorization.

133032313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204322.

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

Adding to 133032313021 its reverse (120313230331), we get a palindrome (253345543352).

The spelling of 133032313021 in words is "one hundred thirty-three billion, thirty-two million, three hundred thirteen thousand, twenty-one".

Divisors: 1 123031 1081291 133032313021