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313110157 is a prime number
BaseRepresentation
bin10010101010011…
…010111010001101
3210211011122101111
4102222122322031
51120124011112
651023012021
710521251413
oct2252327215
9724148344
10313110157
11150819328
1288a3a011
134cb3b1a9
142d8272b3
151c74d5a7
hex12a9ae8d

313110157 has 2 divisors, whose sum is σ = 313110158. Its totient is φ = 313110156.

The previous prime is 313110121. The next prime is 313110181. The reversal of 313110157 is 751011313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240281001 + 72829156 = 15501^2 + 8534^2 .

It is a cyclic number.

It is not a de Polignac number, because 313110157 - 219 = 312585869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313110197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156555078 + 156555079.

It is an arithmetic number, because the mean of its divisors is an integer number (156555079).

Almost surely, 2313110157 is an apocalyptic number.

It is an amenable number.

313110157 is a deficient number, since it is larger than the sum of its proper divisors (1).

313110157 is an equidigital number, since it uses as much as digits as its factorization.

313110157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 313110157 is about 17694.9189599727. The cubic root of 313110157 is about 679.0457759227.

The spelling of 313110157 in words is "three hundred thirteen million, one hundred ten thousand, one hundred fifty-seven".