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132227731 is a prime number
BaseRepresentation
bin1111110000110…
…10001010010011
3100012210212100101
413320122022103
5232322241411
621042033231
73163626406
oct770321223
9305725311
10132227731
1168703719
1238348817
132151877c
14137bdd3d
15b91d8c1
hex7e1a293

132227731 has 2 divisors, whose sum is σ = 132227732. Its totient is φ = 132227730.

The previous prime is 132227723. The next prime is 132227737. The reversal of 132227731 is 137722231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132227731 - 23 = 132227723 is a prime.

It is a super-5 number, since 5×1322277315 (a number of 42 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 132227731.

It is not a weakly prime, because it can be changed into another prime (132227737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66113865 + 66113866.

It is an arithmetic number, because the mean of its divisors is an integer number (66113866).

Almost surely, 2132227731 is an apocalyptic number.

132227731 is a deficient number, since it is larger than the sum of its proper divisors (1).

132227731 is an equidigital number, since it uses as much as digits as its factorization.

132227731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 132227731 is about 11499.0317418468. The cubic root of 132227731 is about 509.4569780914.

Adding to 132227731 its reverse (137722231), we get a palindrome (269949962).

The spelling of 132227731 in words is "one hundred thirty-two million, two hundred twenty-seven thousand, seven hundred thirty-one".