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312114553 is a prime number
BaseRepresentation
bin10010100110100…
…111110101111001
3210202022001200021
4102212213311321
51114400131203
650545410441
710506633652
oct2246476571
9722261607
10312114553
111501a9313
1288639a21
134c87cc8a
142d648529
151c6035bd
hex129a7d79

312114553 has 2 divisors, whose sum is σ = 312114554. Its totient is φ = 312114552.

The previous prime is 312114529. The next prime is 312114557. The reversal of 312114553 is 355411213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174451264 + 137663289 = 13208^2 + 11733^2 .

It is an emirp because it is prime and its reverse (355411213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312114553 is a prime.

It is not a weakly prime, because it can be changed into another prime (312114557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156057276 + 156057277.

It is an arithmetic number, because the mean of its divisors is an integer number (156057277).

Almost surely, 2312114553 is an apocalyptic number.

It is an amenable number.

312114553 is a deficient number, since it is larger than the sum of its proper divisors (1).

312114553 is an equidigital number, since it uses as much as digits as its factorization.

312114553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 312114553 is about 17666.7640783478. The cubic root of 312114553 is about 678.3252855923.

Adding to 312114553 its reverse (355411213), we get a palindrome (667525766).

The spelling of 312114553 in words is "three hundred twelve million, one hundred fourteen thousand, five hundred fifty-three".