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313035131 is a prime number
BaseRepresentation
bin10010101010001…
…000100101111011
3210211000211110202
4102222020211323
51120114111011
651021232415
710520516603
oct2252104573
9724024422
10313035131
11150777a22
1288a0270b
134cb12cb6
142d807c03
151c73623b
hex12a8897b

313035131 has 2 divisors, whose sum is σ = 313035132. Its totient is φ = 313035130.

The previous prime is 313035097. The next prime is 313035137. The reversal of 313035131 is 131530313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313035131 - 214 = 313018747 is a prime.

It is a super-2 number, since 2×3130351312 = 195981986480374322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313035137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156517565 + 156517566.

It is an arithmetic number, because the mean of its divisors is an integer number (156517566).

Almost surely, 2313035131 is an apocalyptic number.

313035131 is a deficient number, since it is larger than the sum of its proper divisors (1).

313035131 is an equidigital number, since it uses as much as digits as its factorization.

313035131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 313035131 is about 17692.7988458582. The cubic root of 313035131 is about 678.9915349929.

Adding to 313035131 its reverse (131530313), we get a palindrome (444565444).

The spelling of 313035131 in words is "three hundred thirteen million, thirty-five thousand, one hundred thirty-one".