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10315031 is a prime number
BaseRepresentation
bin100111010110…
…010100010111
3201102001120012
4213112110113
510120040111
61005030435
7153450656
oct47262427
921361505
1010315031
115905921
12355541b
1321a208c
14152719d
15d8b48b
hex9d6517

10315031 has 2 divisors, whose sum is σ = 10315032. Its totient is φ = 10315030.

The previous prime is 10315027. The next prime is 10315037. The reversal of 10315031 is 13051301.

It is a weak prime.

It is an emirp because it is prime and its reverse (13051301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10315031 - 22 = 10315027 is a prime.

It is a super-2 number, since 2×103150312 = 212799729061922, 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 = 10314997 and 10315015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10315037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5157515 + 5157516.

It is an arithmetic number, because the mean of its divisors is an integer number (5157516).

Almost surely, 210315031 is an apocalyptic number.

10315031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10315031 is an equidigital number, since it uses as much as digits as its factorization.

10315031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 10315031 is about 3211.7021966552. The cubic root of 10315031 is about 217.6824979932.

Adding to 10315031 its reverse (13051301), we get a palindrome (23366332).

The spelling of 10315031 in words is "ten million, three hundred fifteen thousand, thirty-one".