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313133071 is a prime number
BaseRepresentation
bin10010101010100…
…000100000001111
3210211012210211011
4102222200200033
51120130224241
651023310051
710521405256
oct2252404017
9724183734
10313133071
11150834569
1288a4b327
134cb48754
142d83179d
151c755281
hex12aa080f

313133071 has 2 divisors, whose sum is σ = 313133072. Its totient is φ = 313133070.

The previous prime is 313133059. The next prime is 313133087. The reversal of 313133071 is 170331313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313133071 - 219 = 312608783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313133371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156566535 + 156566536.

It is an arithmetic number, because the mean of its divisors is an integer number (156566536).

Almost surely, 2313133071 is an apocalyptic number.

313133071 is a deficient number, since it is larger than the sum of its proper divisors (1).

313133071 is an equidigital number, since it uses as much as digits as its factorization.

313133071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 313133071 is about 17695.5664221296. The cubic root of 313133071 is about 679.0623401414.

Adding to 313133071 its reverse (170331313), we get a palindrome (483464384).

It can be divided in two parts, 3131 and 33071, that multiplied together give a palindrome (103545301).

The spelling of 313133071 in words is "three hundred thirteen million, one hundred thirty-three thousand, seventy-one".