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133221213122031 = 3215976199265261
BaseRepresentation
bin11110010010100111111011…
…000101011010110111101111
3122110200211020101210111112200
4132102213323011122313233
5114430144021024401111
61151200551434232543
740026625565366436
oct3622477305326757
9573624211714480
10133221213122031
11394a2887812711
1212b371b6885753
135944925218c68
1424c7d2660611d
1510605c975b256
hex7929fb15adef

133221213122031 has 12 divisors (see below), whose sum is σ = 192430782393720. Its totient is φ = 88814076904080.

The previous prime is 133221213121979. The next prime is 133221213122057. The reversal of 133221213122031 is 130221312122331.

133221213122031 is a `hidden beast` number, since 1 + 3 + 3 + 22 + 121 + 312 + 203 + 1 = 666.

It is not a de Polignac number, because 133221213122031 - 29 = 133221213121519 is a prime.

It is a super-2 number, since 2×1332212131220312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133221213121986 and 133221213122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133221213122731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9745941 + ... + 19011201.

It is an arithmetic number, because the mean of its divisors is an integer number (16035898532810).

Almost surely, 2133221213122031 is an apocalyptic number.

133221213122031 is a deficient number, since it is larger than the sum of its proper divisors (59209569271689).

133221213122031 is a wasteful number, since it uses less digits than its factorization.

133221213122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862886 (or 10862883 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 133221213122031 its reverse (130221312122331), we get a palindrome (263442525244362).

The spelling of 133221213122031 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, two hundred thirteen million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 3 9 1597619 4792857 9265261 14378571 27795783 83387349 14802357013559 44407071040677 133221213122031