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152631131 is a prime number
BaseRepresentation
bin10010001100011…
…11011101011011
3101122012110112212
421012033131123
5303033144011
623051225335
73532225502
oct1106173533
9348173485
10152631131
117917a034
124314824b
13258106a3
14163b1839
15d5ee08b
hex918f75b

152631131 has 2 divisors, whose sum is σ = 152631132. Its totient is φ = 152631130.

The previous prime is 152631121. The next prime is 152631139. The reversal of 152631131 is 131136251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152631131 - 226 = 85522267 is a prime.

It is a super-2 number, since 2×1526311312 = 46592524300678322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 152631097 and 152631106.

It is not a weakly prime, because it can be changed into another prime (152631139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76315565 + 76315566.

It is an arithmetic number, because the mean of its divisors is an integer number (76315566).

Almost surely, 2152631131 is an apocalyptic number.

152631131 is a deficient number, since it is larger than the sum of its proper divisors (1).

152631131 is an equidigital number, since it uses as much as digits as its factorization.

152631131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 152631131 is about 12354.3972333740. The cubic root of 152631131 is about 534.4179549434.

Adding to 152631131 its reverse (131136251), we get a palindrome (283767382).

The spelling of 152631131 in words is "one hundred fifty-two million, six hundred thirty-one thousand, one hundred thirty-one".