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332130731 is a prime number
BaseRepresentation
bin10011110010111…
…110100110101011
3212010221222201012
4103302332212223
51140011140411
652542414135
711142031112
oct2362764653
9763858635
10332130731
1116052a809
129329134b
1353a6a87a
1432178c79
151e25918b
hex13cbe9ab

332130731 has 2 divisors, whose sum is σ = 332130732. Its totient is φ = 332130730.

The previous prime is 332130653. The next prime is 332130793. The reversal of 332130731 is 137031233.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (137031233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332130731 - 214 = 332114347 is a prime.

It is a super-2 number, since 2×3321307312 = 220621644949188722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 332130697 and 332130706.

It is not a weakly prime, because it can be changed into another prime (331130731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166065365 + 166065366.

It is an arithmetic number, because the mean of its divisors is an integer number (166065366).

Almost surely, 2332130731 is an apocalyptic number.

332130731 is a deficient number, since it is larger than the sum of its proper divisors (1).

332130731 is an equidigital number, since it uses as much as digits as its factorization.

332130731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 332130731 is about 18224.4542030756. The cubic root of 332130731 is about 692.5264316741.

Adding to 332130731 its reverse (137031233), we get a palindrome (469161964).

The spelling of 332130731 in words is "three hundred thirty-two million, one hundred thirty thousand, seven hundred thirty-one".