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10161031 is a prime number
BaseRepresentation
bin100110110000…
…101110000111
3201010020022111
4212300232013
510100123111
61001441451
7152236666
oct46605607
921106274
1010161031
115810151
1234a0287
132149c5a
1414c6ddd
15d5aa21
hex9b0b87

10161031 has 2 divisors, whose sum is σ = 10161032. Its totient is φ = 10161030.

The previous prime is 10161017. The next prime is 10161037. The reversal of 10161031 is 13016101.

It is a happy number.

10161031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10161031 - 25 = 10160999 is a prime.

It is a super-2 number, since 2×101610312 = 206493101965922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10161037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080515 + 5080516.

It is an arithmetic number, because the mean of its divisors is an integer number (5080516).

Almost surely, 210161031 is an apocalyptic number.

10161031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161031 is an equidigital number, since it uses as much as digits as its factorization.

10161031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 10161031 is about 3187.6372127330. The cubic root of 10161031 is about 216.5937524540.

Adding to 10161031 its reverse (13016101), we get a palindrome (23177132).

The spelling of 10161031 in words is "ten million, one hundred sixty-one thousand, thirty-one".